Message type: E = Error
Message class:  LCM_LEGALTRANSACTION - Message Class for LCM Legal Transaction 
Message number: 263
Message text: Legal transaction not updated; changing start date not allowed
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The SAP error message LCM_LEGALTRANSACTION263 indicates that there is an issue with updating a legal transaction, specifically related to changing the start date of that transaction. This error typically arises in the context of legal compliance and transaction management within SAP systems, particularly in modules related to legal compliance management (LCM).
Cause: Legal Constraints: The system may have rules or constraints that prevent the modification of the start date for legal transactions once they have been finalized or processed. This is often due to legal regulations that require the integrity of transaction dates. Transaction Status: The transaction may be in a status that does not allow for changes. For example, if the transaction has already been executed or is in a closed state, changes to the start date may be restricted. Configuration Settings: There may be specific configuration settings in the SAP system that enforce restrictions on changing certain fields in legal transactions.
Solution: Review Transaction
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