Introduce a custom error enum for the state root task

[mvares]

Think we should introduce a custom error enum for the state root tas. We seem to abuse the ParallelStateRootError::Other.

Originally posted by @shekhirin in #13356 (comment)

[shekhirin]

thanks! Do you want me to assign you to this issue?

[mvares]

@shekhirin yes. Btw, where can I create the new enum to these errors?

[mvares]

@shekhirin yes. Btw, where can I create the new enum to these errors?

@mattsse what's your opinion?

[github-actions]

This issue is stale because it has been open for 21 days with no activity.

[github-actions]

This issue was closed because it has been inactive for 7 days since being marked as stale.