No webinterface only random characters

[magic2910]

The Problem

My Watermeter stopped working a few days ago. I flashed it again, since then I only have random characters in the webinterface (see Screenshot). This happens also to another esp32 cam (same problem)
what am I doing wrong?
Thank you!

Version

15.3.0

Logfile

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Expected Behavior

No response

Screenshots

Additional Context

No response

[friedpa]

Did you change the SD Card too? The html Files for the Browser are stored on the SD Card

[magic2910]

Did you change the SD Card too? The html Files for the Browser are stored on the SD Card
I formated the SD Card and copied the files. Same problem.
I will order a new SD Card, maybe this one is defect

[magic2910]

Works with a new SD Card.