How To Fix CNV_20700215 - Length of following New Material is/are greater than desired length (&1):

CNV_20700215 - Overview

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 215

• Message text: Length of following New Material is/are greater than desired length (&1):

Self-Explanatory Message

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CNV_20700215 - Details

• The SAP error message CNV_20700215 indicates that the length of a new material number exceeds the maximum length defined in the system. This error typically arises during data migration or when creating new materials in the SAP system, especially when using tools like SAP S/4HANA Migration Cockpit or during data uploads.
  
  Cause:
  
  Material Number Length Exceeded: The new material number being created or imported exceeds the maximum length allowed by the system configuration. For example, in SAP ECC, the standard length for material numbers is 18 characters, while in S/4HANA, it can be up to 40 characters depending on the configuration.
  Incorrect Data Mapping: During data migration, the mapping of fields may not align correctly, leading to longer material numbers being generated.
  Data Source Issues: The source data may contain material numbers that are longer than the allowed length in the target SAP system.
  
  
  Solution:
  
  Check Material Number Length: Verify the maximum allowed length for material