Message type: E = Error
Message class:  FAGL_MIG - Migration to New General Ledger Accounting 
Message number: 136
Message text: Company code &2 is not assigned to ledger &1
You have selected a source ledger that does <ZH>not </>have all company
codes of the migration plan assigned to it.
The ledger is <ZH>not </>appropriate as a source ledger for the
migration. Assignment to the migration plan is <ZH>not </>possible.
Select a source ledger that has all company codes of the migration plan
assigned to it. If this is <ZH>not </>possible, you need to create
separate migration plans to enable different source ledgers from Special
Purpose Ledger to be assigned to each one.
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.
The SAP error message FAGL_MIG136 indicates that a specific company code is not assigned to the specified ledger in the context of the New General Ledger (New GL) migration or configuration. This error typically arises during the migration process or when trying to perform transactions that require the company code to be linked to the ledger.
Cause: Missing Assignment: The company code has not been assigned to the ledger in the configuration settings. Incorrect Configuration: The ledger might not be properly set up or activated for the company code in the system. Migration Issues: If you are migrating from Classic GL to New GL, this error can occur if the necessary assignments were not made during the migration process.
Solution: To resolve the error, follow these steps: Check Ledger Assignment: Go to the SAP transaction code OB22 (or navigate through the menu: SPRO > Financial Accounting > General Ledger > Master Data > Ledger > Define Ledgers). Verify that
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