SAML Single Sign On for WordPress Archives - Knowledge Base

When I try to login to register my production server I get the following error – Fatal error: Uncaught Error: Call to undefined function json_last_error() in /var/www/html/abc/wp-content/plugins/miniorange-saml-20-single-sign-on/login.php:960
We would like to have a separate URL for SSO login. Is this available in the plugin?
When I try to login to register my production server I get the following error – Fatal error: Uncaught Error: Call to undefined function json_last_error() in /var/www/html/abc/wp-content/plugins/miniorange-saml-20-single-sign-on/login.php:960
Does the miniOrange SAML SP plugin for WordPress supports SP Initiated Authentication, IDP Initiated Authentication or Both?
Does the plugin require base or stub user information loaded into the application? Or does the application implement just-in-time provisioning?

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GoogleApps SAML SSO : 403 app is not configured for the user?

7152 views January 13, 2022 16

Wordfence has flagged your plugin as an unsafe file containing malicious code. What does this mean?

929 views September 5, 2022 4

How do I tell if my WordPress set up is a single site or a multisite?

3378 views September 5, 2022 19

I’m using WP Engine and stuck in a redirect loop after performing Single Sign-On, which is preventing me from accessing my admin dashboard.

944 views March 17, 2023 2

How to generate ADFS logs for Single Sign On

1787 views March 21, 2023 0

I’m getting “WPSAMLERR000: We could not sign you in. ”. What should I do?

441 views May 11, 2023 2

I’m getting several 403 errors on the console when editing or publishing content on my WordPress subsite. Issue only arises for users who Single-Sign On into WordPress via SAML SSO Plugin.

442 views January 2, 2024 0

After enabling the auto-redirect from WordPress login page option, unable to login into WordPress site from IDP ?

501 views February 29, 2024 0

Why am I encountering a redirect loop when trying to access my website?

780 views August 1, 2024 0

I’m getting “WPSAMLERR011: Username length limit exceeded”. What should I do?

296 views February 10, 2025 0

I’m getting “WPSAMLERR014: Encryption Certificate Mismatch”. What should I do?

130 views February 10, 2025 0

I’m getting “WPSAMLERR015: DOM extension not installed”. What should I do?

214 views February 10, 2025 0

I’m getting “WPSAMLERR016”. What should I do?

354 views February 10, 2025 0

I’m getting “WPSAMLERR017: Invalid XML detected”. What should I do?

465 views February 10, 2025 0

I’m getting “WPSAMLERR019: User role is restricted”. What should I do?

201 views February 10, 2025 0

I’m getting “WPSAMLERR020 PHP OpenSSL extension is either not installed or disabled.”. What should I do?

135 views February 10, 2025 0

I’m getting “WPSAMLERR021: Permission Denied – Blacklisted user”. What should I do?

309 views February 10, 2025 0

I’m getting “WPSAMLERR022: Not a Whitelisted user”. What should I do?

142 views February 21, 2025 0

I’m getting “WPSAMLERR024: Invalid SAML Assertion”. What should I do?

758 views February 21, 2025 1

I’m getting “WPSAMLERR025: Invalid Logout Request”. What should I do?

310 views February 21, 2025 0

I’m getting “WPSAMLERR026: Invalid Metadata file/URL”. What should I do?

195 views February 21, 2025 0

I’m getting “WPSAMLERR027: Incorrect IDP certificates”. What should I do?

152 views February 21, 2025 0

I’m getting “WPSAMLERR028: Unable to process XML”. What should I do?

317 views February 21, 2025 0

I’m getting “WPSAMLERR030: Invalid License Found”. What should I do?

234 views February 21, 2025 0

I’m getting “WPSAMLERR031: License File Missing”. What should I do?

100 views February 21, 2025 0

I’m getting “WPSAMLERR032: Curl extension is either not installed or disabled”. What should I do?

128 views February 21, 2025 0

I’m getting “WPSAMLERR033: IdP is incorrectly configured or the SAML Response contains insecure elements”. What should I do?

157 views February 21, 2025 0

I’m getting “WPSAMLERR035: Password Reset URL not configured”. What should I do?

155 views February 21, 2025 2

I’m getting “WPSAMLERR037: UserName/Email Missing”. What should I do?

358 views February 21, 2025 0

I’m getting “WPSAMLERR039: Subsite Limit Exceeded”. What should I do?

176 views February 21, 2025 0

I’m getting “WPSAMLERR018: Not a WordPress Member”. What should I do?

708 views February 10, 2025 0

Why do I see an update notice for the plugin when I’m using the latest free version?

177 views September 7, 2025 0

How do I update my Service Provider’s Certificate in Azure AD?

2324 views September 28, 2022 0

Invalid certificate caused by unsupported key length when using PingOne, JumpCloud, or other Identity Providers

162 views August 26, 2025 1

I’m getting “WPSAMLERR013: Certificate Not Found”. What should I do?

149 views February 10, 2025 0

I’m getting “WPSAMLERR023: IDP not enabled”. What should I do?

222 views February 21, 2025 1

I’m getting “WPSAMLERR034: No Default IDP selected”. What should I do?

214 views February 21, 2025 0

I’m getting “WPSAMLERR036: No Such Identity Provider is configured”. What should I do?

356 views February 21, 2025 0

I’m getting “WPSAMLERR012: Mismatch in Certificate”. What should I do?

265 views February 10, 2025 0

Why do I see a generic “we could not sign you in” message after successful ADFS authentication?

115 views March 12, 2026 0

Why do I get a “SAML Response Status: urn:oasis:names:tc:SAML:2.0:status:Responder” error during Azure AD login?

111 views March 12, 2026 0

Why are group or role values not being mapped correctly after Okta SSO?

60 views March 12, 2026 0

Why do I get timeout or clock skew errors during Okta SSO?

113 views March 12, 2026 0

Why do I get an error when users login but are not redirected back to WordPress after Keycloak authentication?

304 views March 12, 2026 0

Why do I see “SAML assertion missing required attributes” or users are not matched to WordPress accounts?

76 views March 12, 2026 0

Why are Keycloak SSO users created in WordPress but given incorrect roles or no roles at all?

89 views March 12, 2026 0

How to Set Up IDP-Initiated SSO for Okta IDP Using the SAML SSO Plugin?

82 views April 16, 2026 1

What are the Necessary Attributes for a SCIM Request?

67 views April 30, 2026 0

Does the SAML SSO plugin for WordPress support IDP (GoogleApps) initiated SSO?

387 views January 13, 2022 0

How do I free up the SSO user seat for SAML IDP or OAuth Server Plugin for WordPress?

281 views October 10, 2024 0

Application registered corresponding to Issuer URI does not have Assertion Consumer Service URL specified in its metadata

144 views February 9, 2026 0

Why do my SAML assertions fail due to time issues (clock skew) when using ADFS with SSO for WordPress?

86 views March 12, 2026 0

Why are users authenticating in Azure AD but not being created in WordPress?

93 views March 12, 2026 0

Why am I getting “SAML Response missing required attributes [WPSAMLERR 037]” during Okta login?

86 views March 12, 2026 0

How can I renew my SAML SSO Plugin for WordPress license?

8412 views May 11, 2023 14

How to update SSO Certificate on my ADFS Server?

3174 views August 30, 2022 0

Microsoft Entra ID SAML Certificate Expiry / Renewal

485 views February 11, 2026 1

How to Configure Role Mapping in SAML SP Multiple IDP Plugin for WordPress?

775 views September 28, 2022 0

How to Configure Attribute Mapping in SAML SP Multiple IDP Plugin for WordPress?

1165 views October 6, 2022 0

How to export plugin configuration from SAML SSO SP plugin for WordPress?

759 views August 9, 2024 0

How to do the Test Configuration with the configured IDP in the SAML SSO SP plugin for WordPress?

439 views August 9, 2024 0

How to log in to the SAML SSO plugin for WordPress after a license transfer (new email)?

116 views January 6, 2026 1

I’m getting the error saying, “Identity Provider has sent ‘AuthnFailed’ status code in SAML Response” while configuring SAML SSO 2.0 Plugin for WordPress with Salesforce as the Identity Provider.

990 views January 6, 2022 0

Why am I seeing “Signature Validation Failed” when logging in via Okta SSO?

70 views March 12, 2026 0

Depreciated versions of saml sso plugin

838 views October 7, 2022 0

How do I fix the “Request Blocked” error during test configuration in the SCIM app for WordPress?

2328 views June 5, 2025 1

How to get the latest version of the SAML SSO plugin for WordPress?

2040 views December 21, 2021 4

Why does my Keycloak SSO test configuration fail with certificate or signature validation errors?

146 views March 12, 2026 1

Why am I unable to log in to the SAML SSO Plugin for WordPress when my site is offline or behind a firewall?

800 views December 12, 2025 1

Why am I getting AADSTS50105: Block users unless they are specifically granted (‘assigned’) access to the application?

367 views December 12, 2025 0

What is an instance?

1063 views January 18, 2022 4

What is Force Authentication in SAML Single Sign On Plugin for WordPress?

378 views March 25, 2025 2

Why Does WordPress Automatically Log Users Back In After Logout?

122 views May 7, 2026 0

Why are the images not displaying properly in the free plugin after version 4.9.30?

328 views March 2, 2023 0

I’m getting “WPSAMLERR029: Plugin License Expired”. What should I do?

544 views February 21, 2025 1

I’m getting “WPSAMLERR038: Test Configuration is not allowed for non-admin users”. What should I do?

199 views February 21, 2025 0

Why do I get an “SSO certificate expired or mismatch” error during ADFS SSO for WordPress?

92 views March 12, 2026 0

Do I need separate licenses for my multilingual WordPress sites?

64 views May 27, 2026 0

Is miniOrange WPML-Compatible SSO available for both SAML and OAuth?

41 views May 27, 2026 1

Which WPML URL structures does miniOrange SSO for WordPress support?

96 views May 27, 2026 0

Will miniOrange WPML-compatible SSO work if I add a new language to my site?

74 views May 27, 2026 0