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Power Platform Community / Forums / Power Apps / Web Authoring Error Wh...
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Web Authoring Error When I Try to Edit Power Apps

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Hello,
 
I'm currently experiencing an issue where I try to edit my PowerApps and I would get an error (Web Authoring) and would redirect me back to the PowerApps main page. I was able to access this app with no issues last week. Your assistance is greatly appreciated!
 
Thank you
 
WebAuthoring abnormal termination.
Client date/time: 2026-06-16T13:31:13.385Z
Version: 3.26061.13 (v3.26061.13.372377004)
Session ID: 5e955349-c9d5-4cb3-ae21-e991ed446140
description: {"exception":{"message":"XHR error (status 500). Unknown request error; responseText is empty.","name":"UnhandledError","_isCritical":true,"detail":{"exception":{}}},"error":"[circular]","promise":{"_oncancel":null,"_nextState":null,"_state":{"name":"error","enter":"[function]","cancel":"[function]","done":null,"then":null,"_completed":"[function]","_error":"[function]","_notify":"[function]","_progress":"[function]","_setCompleteValue":"[function]","_setErrorValue":"[function]"},"_listeners":null,"_value":"[circular]","_isException":false,"_errorId":35,"done":"[function]","then":"[function]"},"id":35,"setPromise":"[function]"}
stack: UnhandledError
    at t [as constructor] (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:337649)
    at new t (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:415439)
    at e._translateError (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/AppMagic.WebAuthoring.js?v=3.26061.13.372377004:2:172135)
    at e._raiseTerminalError (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/AppMagic.WebAuthoring.js?v=3.26061.13.372377004:2:171243)
    at e._unhandledException (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/AppMagic.WebAuthoring.js?v=3.26061.13.372377004:2:171152)
    at e.<anonymous> (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/AppMagic.WebAuthoring.js?v=3.26061.13.372377004:2:169801)
    at https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:534265
    at Object.throw (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:534370)
    at u (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:533127)
    at Object.q [as _notify] (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/openSource/modified/winjs/js/base.js?v=3.26061.13.372377004:2:38070)
errorNumber: 0
errorMessage: XHR error (status 500). Unknown request error; responseText is empty.
callStack: UnhandledError
    at t [as constructor] (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:337649)
    at new t (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:415439)
    at e._translateError (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/AppMagic.WebAuthoring.js?v=3.26061.13.372377004:2:172135)
    at e._raiseTerminalError (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/AppMagic.WebAuthoring.js?v=3.26061.13.372377004:2:171243)
    at e._unhandledException (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/AppMagic.WebAuthoring.js?v=3.26061.13.372377004:2:171152)
    at e.<anonymous> (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/AppMagic.WebAuthoring.js?v=3.26061.13.372377004:2:169801)
    at https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:534265
    at Object.throw (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:534370)
    at u (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/js/Core.js?v=3.26061.13.372377004:2:533127)
    at Object.q [as _notify] (https://gov.content.powerapps.us/resource/webauth/v3.26061.13.372377004/studio/openSource/modified/winjs/js/base.js?v=3.26061.13.372377004:2:38070)
 
 
 
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  • Suggested answer
    11manish Profile Picture
    3,038 on at
    Based on the error and the fact that it worked last week, the most likely causes are:
    • A temporary Power Apps Studio (GCC) service issue.
    • A corrupted app version or metadata.
    • A broken connector or dependency that fails during app initialization.
    • Browser cache/session corruption.
    Since this is a 500 Internal Server Error, the failure is occurring on the server side rather than due to a formula error in your app. The first things I would try are:
    • Open the app in an InPrivate browser session.
    • Test an older version of the app.
    • Check whether other apps open normally.
    • Verify if other makers are experiencing the same issue.
  • WarrenBelz Profile Picture
    155,723 Most Valuable Professional on at
    This appears to be a loading error into Studio - firstly try clearing your browser cached cookies. images and files (you can clear the lot if you want be safe - although you will need to sign back in).
     
    Also, other than regressing to version, try exporting the App (you can use the legacy Zip function), importing it with another name and see if you can open that one).
     
    Please ✅ Does this answer your question if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider answering Yes to Was this reply helpful? or give it a Like ♥
    Visit my blog
    Practical Power Apps    LinkedIn  
  • WarrenBelz Profile Picture
    155,723 Most Valuable Professional on at
    A quick follow-up to see if you received the answer you were looking for. Happy to assist further if not.
     
    Please ✅ Does this answer your question if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider answering Yes to Was this reply helpful? or give it a Like â™¥
    Visit my blog
    Practical Power Apps    LinkedIn   

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