Validation Log 2025-12-14 21:39:38.057453 mwtab Python Library Version: 2.0.0 Source: https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN000682/mwtab/txt Study ID: ST000432 Analysis ID: AN000682 File format: txt Status: Contains Validation Issues Number of Issues: 9 Number of Warnings: 2 Number of Value Errors: 4 Number of Consistency Errors: 0 Number of Format Errors: 5 Issue Log: Error: An empty value or a null value was detected for the subsection, "MS_COMMENTS", in the "MS" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether. Error: An empty value or a null value was detected for the subsection, "COLUMN_NAME", in the "CHROMATOGRAPHY" section. A legitimate value should be provided for this required subsection. Error: The required property, "FLOW_GRADIENT", in the "CHROMATOGRAPHY" section is missing. Error: The required property, "FLOW_RATE", in the "CHROMATOGRAPHY" section is missing. Error: The required property, "COLUMN_TEMPERATURE", in the "CHROMATOGRAPHY" section is missing. Error: The required property, "SOLVENT_A", in the "CHROMATOGRAPHY" section is missing. Error: The required property, "SOLVENT_B", in the "CHROMATOGRAPHY" section is missing. Warning: The "sample50" column at position 23 in the MS_METABOLITE_DATA table has all null values. Warning: The "sample29" column at position 54 in the MS_METABOLITE_DATA table has all null values.