SAP Message UCS0211 - The sequence of tasks &1 and &2 is invalid

Diagnosis
Task &V1& has task category &V3&. The hierarchy contains a task (in thiscase, task &V2&) that has task category &V4&. This task is in an invalidposition.
The order of certain tasks in the task hierarchy depends on thefollowing factors:
A manual posting task may follow currency translation only if theentry posts in group currency. If it simultaneously posts in localcurrency, the task must be positioned in the task sequence prior to thevalidation of standardized financial data.
Tasks for reclassificationor allocation may followcurrency translation only if they post in group currency. Such tasks mayfollow a task for validating standardized financial data only if thedocument type of the task has a posting level greater or equal to 20.
The position of validationtasks depends on the "values" attribute (from the task definition):
Validation of reported financial data must follow the data collectiontask.
Validation of standardized financial data must precede tasks that postwith posting levels greater or equal to 20.
Validation of consolidated data must be at the end of the consolidationprocess.

Procedure
Change the sequence of tasks according to the rules above.