Basware Purchase Manager – SSO Login Error Codes
Overview
When signing in to Basware Purchase Manager using Single Sign-On (SSO), you may encounter an error code if the login process cannot be completed. The information below explains what each error means, what end users can do, and what IT administrators should verify before contacting Basware Support.
Error 90055 – Login Token Processing Error
What it means
* The SAML login response was received but could not be processed.
**What end users should do**
* Retry the login.
* Verify if multiple users are getting the same error.
Common cause
If the SAML certificate is expired.
Error 90070 – Invalid Login / NT User ID
What it means
The SSO authentication was successful, but the username received from the Identity Provider does not match the user's configured NT Domain Login in Purchase Manager.
What end users should do
* Contact your system administrator and provide the error code.
* Confirm that your username or login ID has not recently changed.
Common causes
* The NT Domain Login in Purchase Manager does not match the username sent by the Identity Provider.
* The user's username or email address was changed but not updated in Purchase Manager.
Error 90075 – Invalid Signature / Certificate Validation Failed
What it means
The SSO request could not be validated because the digital signature or certificate verification failed.
This is commonly caused by users accessing Purchase Manager through an incorrect or outdated login link.
What end users should do
Verify that you are using the official Purchase Manager SSO link provided by your organization.
Avoid using old bookmarks or saved login URLs.
If the issue continues, contact your IT administrator and provide the error code.
Common causes
Incorrect or outdated login URL.
User attempting to access the wrong Purchase Manager environment.
Certificate mismatch between the Identity Provider and Purchase Manager.
Expired or replaced IdP signing certificate.
Incorrect SSO endpoint configuration.
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## Information to Provide When Reporting an Issue
To help troubleshoot the issue quickly, provide the following information to your IT team or Basware Support:
* Error code displayed on screen
* Screenshot of the error message
* Username or email address
* Login URL used
* Confirmation whether the issue affects one user or multiple users
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When to Contact Basware Support
Contact Basware Support if:
* The issue persists after completing the recommended verification steps.
* Multiple users are experiencing the same error.
* SSO configuration appears correct, but authentication continues to fail.
* Additional assistance is required to review SAML responses, certificates, or system logs.