Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 436
Message text: Number range intervals for object &1 were changed
Number ranges were changed after the activity <ZK>Analyze Number Range
Objects</> was executed.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Execute the activity <ZK>Analyze Number Range Objects</> again.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_NCE_BAS436 indicates that the number range intervals for a specific object (denoted by &1) have been changed. This message is typically encountered during data migration or conversion processes, particularly when using SAP's Conversion Tools or during system upgrades.
Cause: The error usually arises due to one of the following reasons: Changes in Number Ranges: The number range intervals for the specified object have been modified after the initial setup, which can lead to inconsistencies in the data migration process.
Configuration Issues: There may be discrepancies in the configuration settings related to number ranges, especially if multiple systems or clients are involved. Data Migration Tools: If you are using SAP's data migration tools (like SAP S/4HANA Migration Cockpit or other conversion tools), the tool may detect that the number range intervals have been altered since the last execution.
Solution: To resolve this error, you can take the following steps: Check Number Range Configuration: Go to the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_NCE_BAS435 Number range interval &1 (object &2) excluded from conversion
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_NCE_BAS434 Simulation for number range interval &1 will run during system lock
What causes this issue?  The number range object  &V1& will be split into multiple number range intervals. This means that the simulation for ...
CNV_NCE_BAS437 Number range object &1 is not analyzed yet
What causes this issue?  Number range object &V1& was not analyzed.System Response  The system issues an error message and will not allow you ...
CNV_NCE_BAS438 Activities must be repeated for number range object &1 (s. long text)
What causes this issue?  Execute the activites <ZK>Prepare Number Conversion Engine for Use</> and <ZK>Analyse Number Range Objects&...
Click on this link to search all SAP messages.