How To Fix UCS0066 - Task &1 is already blocked in preceding group &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UCS0 - Messages for Status Management

• Message number: 066

• Message text: Task &1 is already blocked in preceding group &2

What causes this issue?

Task &V1& is already blocked for preceding group &V2&. This is why it is
no longer possible to unblock task &V1& for the organizational unit
highlighted by the cursor, which is subordinate to consolidation group
&V2& in the hierarchy.

System Response

How to fix this error?

First, unblock task &V1& at the highest preceding group that is above
the organizational unit highlighted by the cursor.
Once task &V1& is no longer blocked for all preceding groups, you can
unblock the task for the organizational unit highlighted by the cursor.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.