Forum Discussion
Solved
Invalid Package - SPFX Solution (solved)
Started receiving Valid App Package = No today while trying to update an app package in the catalog. Looking at the unavailable apps view reveals the following error message: Invalid SharePo...
That was a bug that got out - we believe it should be working now. Can you let us know if you are still running into the issue?
you might also want to keep an eye on this one:
Yup. I saw that one yesterday but started this thread because I was getting a different error message.