As of 2024-05-14 a change has been implemented to enforce access token expiry. If you see higher numbers of HTTP 401 responses, please check tokens that may have expired. For more details, including how to mitigate disruption, please check our docs guide on Expired Access Tokens. If you have a support contract, you may open a support ticket for additional assistance.
plgo looks for the pl.go in the module. The module used to be in GOPATH/src, but in more recent go it may be in the package cache. The path name will then include module version info. This makes the necessary checks to find pl.go.