How To Fix ALSMEX020 - Invalid record type during import of CSV file

ALSMEX020 - Overview

• Message type: E = Error

• Message class: ALSMEX - Message Class for Legacy Data Transfer

• Message number: 020

• Message text: Invalid record type during import of CSV file

What causes this issue?

During the import of a row of a data part of a CSV file, an invalid
record type was found. Record type &v1& that is entered in row &v2& of
the input file is not defined.

How to fix this error?

Define all record types used in the data part of the input file in the
five-line header of the input file.

Error message extract from SAP system. Copyright SAP SE.

ALSMEX020 - Details

• The SAP error message ALSMEX020: Invalid record type typically occurs when you are trying to import a CSV file using the LSMW (Legacy System Migration Workbench) tool in SAP, and the system encounters a record type in the CSV file that it does not recognize or is not valid for the import process.
  Causes:
  
  Incorrect CSV Format: The CSV file may not be formatted correctly according to the specifications required by the LSMW project. This includes incorrect delimiters, missing headers, or incorrect data types.
  Invalid Record Type: The record type specified in the CSV file does not match any of the expected record types defined in the LSMW project.
  Data Mapping Issues: The fields in the CSV file may not correspond correctly to the fields defined in the LSMW project, leading to mismatches.
  File Encoding Issues: The CSV file may be saved in an unsupported encoding format, which can lead to misinterpretation of the data.
  
  Solutions:
  
  
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