Message type: E = Error
Message class: T9 - Time zones/streams
Message number: 491
Message text: Conversion of table &1 no longer possible
Conversion is not possible since new entries have been made in the
table. This indicates that the conversion (XPRA) was started manually,
not during a release upgrade.
The conversion (XPRA) is canceled.
Check in the tables and manually in TTZ5S whether exactly one entry is
flagged as default for each country (view V_TTZ5) or country/region
(view V_TTZ5S).
Error message extract from SAP system. Copyright SAP SE.
T9491
- Conversion of table &1 no longer possible ?The SAP error message T9491, which states "Conversion of table &1 no longer possible," typically occurs during the process of data conversion or migration, particularly when dealing with changes in the database structure or when attempting to convert a table that has been modified or is no longer compatible with the current system configuration. Causes: Table Structure Changes: The structure of the table has been altered (e.g., fields added, removed, or changed) in a way that makes the conversion incompatible. Data Type Changes: Changes in data types of fields within the table can lead to conversion issues. Missing or Incompatible Data: The data in the table may not meet the requirements for conversion, such as constraints or data integrity issues. System Upgrade or Patch: If the system has been upgraded or patched, certain tables may no longer be supported or may require a different conversion approach. Custom Modifications: Custom developments or modifications to standard tables can
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