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This is the error I'm getting when trying to view the Certificates & Secrets page on Microsoft Entra > App Registrations > "myapp"
{ "shellProps": { "sessionId": "e773aae3ff394201ad0aea75f642acfa", "extName": "Microsoft_AAD_RegisteredApps", "contentName": "CredentialsBlade" }, "error": { "message": "Error displaying your content", "summaryItems": [ { "label": "Error reason", "value": "ErrorLoadingControl" } ], "details": "baseTypes: [\"MsPortalFx.Errors.Error\"]\r\nerrorLevel: 2\r\nextension: fx\r\ninnerErrors: [\"message: Cannot read properties of undefined (reading 'appendChild')\\r\\nname: TypeError\\r\\nstack: TypeError: Cannot read properties of undefined (reading 'appendChild')\\n at Object.extendCellTemplate (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:10:4199)\\n at https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:24374\\n at Array.forEach (<anonymous>)\\n at b._getRowTemplateFragment (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:24345)\\n at b._createRowData (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:24526)\\n at https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:26523\\n at Array.map (<anonymous>)\\n at b._renderAll (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:26511)\\n at b._updateBody (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:26230)\\n at b._initialize (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:11338)\\n at new b (https://entra.microsoft.com/Content/Dynamic/sUoFhDgUf_rT.js:11:2324)\\n at https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:109:1870\\n at https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:109:2082\\n at https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:26:803\\n at t.tryImmediateResolve (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:26:830)\\n at https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:109:786\\n at t.ignore [as ignoreDependencies] (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:11167)\\n at Object.update (https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:109:744)\\n at l (https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:34:3258)\\n at Object.update [as handlerUpdateFn] (https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:34:3555)\\n at e.dependentObservable.handlerUpdateFn (https://entra.microsoft.com/Content/Dynamic/IR-5rVTCx_jS.js:37:12034)\\n at l.evaluateImmediate_CallReadThenEndDependencyDetection (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:29124)\\n at l.evaluateImmediate_CallReadWithDependencyDetection (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:28649)\\n at l.evaluateImmediate (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:28167)\\n at r.computed.r.dependentObservable (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:26311)\\r\\n\"]\r\nmessage: Failed to load the control module 'MsPortalImpl.Controls/Controls/Lists/Grid2/Grid2.EditableGrid.ctl'.\r\n Error: Cannot read properties of undefined (reading 'appendChild')\r\nname: Error\r\nstack: TypeError: Cannot read properties of undefined (reading 'appendChild')\n at Object.extendCellTemplate (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:10:4199)\n at https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:24374\n at Array.forEach (<anonymous>)\n at b._getRowTemplateFragment (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:24345)\n at b._createRowData (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:24526)\n at https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:26523\n at Array.map (<anonymous>)\n at b._renderAll (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:26511)\n at b._updateBody (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:26230)\n at b._initialize (https://entra.microsoft.com/Content/Dynamic/9RIESIhPWcR8.js:7:11338)\n at new b (https://entra.microsoft.com/Content/Dynamic/sUoFhDgUf_rT.js:11:2324)\n at https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:109:1870\n at https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:109:2082\n at https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:26:803\n at t.tryImmediateResolve (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:26:830)\n at https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:109:786\n at t.ignore [as ignoreDependencies] (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:11167)\n at Object.update (https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:109:744)\n at l (https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:34:3258)\n at Object.update [as handlerUpdateFn] (https://entra.microsoft.com/Content/Dynamic/ULBb6TfA3y5Z.js:34:3555)\n at e.dependentObservable.handlerUpdateFn (https://entra.microsoft.com/Content/Dynamic/IR-5rVTCx_jS.js:37:12034)\n at l.evaluateImmediate_CallReadThenEndDependencyDetection (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:29124)\n at l.evaluateImmediate_CallReadWithDependencyDetection (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:28649)\n at l.evaluateImmediate (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:28167)\n at r.computed.r.dependentObservable (https://entra.microsoft.com/Content/Dynamic/s4mJODyl_8L8.js:14:26311)\r\ntimestamp: 156598\r\ntype: MsPortalFx.Errors.Error\r\n", "code": null }}
Anyone knows how to solve it?
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Hello Francesco Bellini,
Any update on this? Please confirm if your issue resolved or still facing errors.
Hello Francesco Bellini,
This looks like a browser-side issue with the Entra/Azure portal, not something related to your app or tenant.
The page isn’t loading properly due to a UI rendering problem, which is why you’re seeing the error. It’s more common in Chrome and Edge, while Firefox usually works fine.
You can try:
If it still behaves the same, use Firefox as a workaround for now.
TY Sridevi Machavarapu, I've resolved the issue.
Thank you for the answer you were right.
Trying to access from a different browser worked.