Could not read serialized diagnostics file: Invalid File: Invalid diagnostics signature

It appears to be an internal issue, the following steps seem to reliably resolve it for me.

  • Installing my uninstalled dependencies (ie: CocoaPods).
  • Cleaning the build folder.
  • Removing derived data.
  • Restarting Xcode
  • If that doesn’t work restarting my computer makes this go away. 🤦

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Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)