Anyone having issues with an invalid license error should give the PTR another try it.
Blizzard rolled out a stability fix which also included a fix for the licensing error. There’s nothing else in the update but at least it should sort some issues out for players.
PTR 2.2.0 | Game Update (Patch 1) – 3/12
BUG FIXES
- Various stability improvements.
- Fixed a server issue that could result in an invalid license error.
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