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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Error while opening cu...
Small and medium business | Business Central, N...
Suggested Answer

Error while opening customer attachments.

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Posted on by Shehroz 10
Often, when a user is on the Customer Card page and clicks the Attachments action button, an error appears saying “An error occurred and the transition is stopped. Contact your administrator or partner for further assistance.” However, after clicking OK and refreshing Business Central, the error no longer appears and the attachment functionality works normally. This issue does not occur daily and happens intermittently for some users. Please give the solution for the below error.
 
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Dynamics 365 Business Central
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  • Suggested answer
    PRao Profile Picture
    PRao 437 on at
    Hi ,

    Could you please let us know is this issues happing in  SaaS or On-prem?
    Also Which version of Business Central you are using ?

    Please follow the below troubleshooting you may get result 

    Recently Microsoft fixed some of the issues related to Attachment in latest version. If you can upgrade your vision with latest one this issue may resolve. 

    Also please check the Permission

    Read/Insert/Modify on Table 1173 – Document Attachment

    Indirect access is NOT always enough


    Thank you !
    PRao
  • Shehroz Profile Picture
    Shehroz 10 on at

    Yes, this is a SaaS environment.
    The version is W1 27.3.

    We also checked table 1173 permissions. The user did not have Modify permission, so it has now been granted.

  • Suggested answer
    OussamaSabbouh Profile Picture
    OussamaSabbouh 11,106 Super User 2026 Season 1 on at
    Hello,
     
    Since the error disappears after clicking OK and refreshing, this is almost certainly a temporary session/service or permission-related issue, not data corruption. Most commonly it’s caused by either a brief service interruption, incomplete permissions to the Document Attachment (Table 1173) / Media tables, or an extension triggering an unhandled error on the Customer Card page. Because it works normally after refresh, the system itself is fine — the session just reinitializes correctly. I’d check user permissions, recent extension updates affecting attachments, and telemetry/event logs to pinpoint the exact cause.
     
    Regards,
    Oussama Sabbouh

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