How To Fix CNV20201205 - Alphanumer. limits for &1,subobj &2,NoRg &3,to-year &4! =>long text!

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 205

• Message text: Alphanumer. limits for &1,subobj &2,NoRg &3,to-year &4! =>long text!

What causes this issue?

Number range (object=&V1&, subobject=&V2&, number=&V3&, to-year=&V4&)
has alphanumeric limits and is NOT included in auxiliary tables
CNV_20201_NRIV_O and CNV_20201_NRIV_N.

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

System Response

The number range cannot be converted using the NRIV rule (shifting).

How to fix this error?

To avoid duplicates, it is necessary to use another rule (individual
conversion or prefix rule). To this purpose, execute IMG step 'Maintain
conversion rules for number ranges'.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201205 - Alphanumer. limits for &1,subobj &2,NoRg &3,to-year &4! =>long text! ?

  The SAP error message CNV20201205 typically relates to data conversion issues during a migration or data transfer process, particularly when dealing with alphanumeric limits for specific objects. This error can occur in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion programs.
  Cause:
  The error message indicates that there is a violation of the alphanumeric limits for a specific object (denoted by &1), sub-object (&2), and record number (&3) for a specified year (&4). This usually means that the data being processed exceeds the defined character limits for the fields in question. 
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Object and Sub-object: Check the details provided in the error message to identify which object and sub-object are causing the issue. This will help you understand where the problem lies.
  
  
  Review Data Length: Examine the data being migrated or converted for the specified object and sub-object. Ensure that the length of the data does not exceed the defined limits in the target system.
  
  
  Data Cleansing: If the data exceeds the limits, you may need to cleanse or truncate the data before migration. This could involve:
  
  Shortening text fields.
  Removing unnecessary characters or spaces.
  Splitting data into multiple records if applicable.
  
  
  
  Adjust Data Mapping: If you have control over the data mapping process, consider adjusting the mapping rules to accommodate the character limits of the target fields.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration tool you are using. There may be specific guidelines or limitations outlined for the objects you are working with.
  
  
  Testing: After making adjustments, perform a test migration to ensure that the changes resolve the error without introducing new issues.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error message.
  Migration Tools: Familiarize yourself with the specific migration tools and their limitations, as different tools may have different constraints.
  Community Forums: Consider reaching out to SAP community forums or support channels for additional assistance if the issue persists.
  
  By following these steps, you should be able to identify the root cause of the CNV20201205 error and implement a solution to successfully complete your data migration.