Error Message:

The file contains translation keys that do not match the translation type specified in the file header. Create separate import files for metadata and data translations.

If you receive the above error, the issue may be due to white-space in the Label of the Metadata component(s). Retrieve the Metadata component(s) using VS Code, ANT or Workbench and verify it.

Check the below Picklist value extraction. After Repair, it has a white-space.