Validation Log 2024-12-01 05:35:30.436430 mwtab Python Library Version: 1.2.5 Source: https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN004108/mwtab/txt Study ID: ST002500 Analysis ID: AN004108 File format: txt Status: Contains Validation Errors Number Errors: 1 Error Log: SUBJECT: Contains item "GENDER" with null value.