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Something went wrong (March 2026)

Microsoft activated changes to SharePoint in March 2026. Additional context and timelines were provided in the official Microsoft 365 Message Center under MC1193419 (which replaced the earlier MC1055557, see also archive https://mc.merill.net/message/MC1193419).

Our web parts use an external script that is listed in the manifest reviewed by Microsoft.

Some customers have reported that certain of our web parts now only display the follow error message: alt text

During our investigation, we discovered that on some tenants, an entry in the SharePoint Admin Center under Advanced > Script sources is missing. However, the issue does not occur consistently and appears to depend on the region and the time at which the web part was installed.

There are two methods to resolve the issue:

  1. Go to SharePoint Admin Center, Advanced > Script sources and check whether the entry for https://stage.adenin-cdn.pages.dev/ is missing. The entry can simply be added.

  2. Alternatively, the web part can simply be reinstalled. It appears that currently (mid-March 2026) the entry in Script sources is created as expected when doing so.

If neither works, please send an email to support@adenin.com