Validation Log 2025-12-15 02:32:03.528516 mwtab Python Library Version: 2.0.0 Source: https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN005792/mwtab/json Study ID: ST003527 Analysis ID: AN005792 File format: json Status: Contains Validation Issues Number of Issues: 9 Number of Warnings: 1 Number of Value Errors: 8 Number of Consistency Errors: 0 Number of Format Errors: 1 Issue Log: Error: An empty value or a null value was detected in ["COLLECTION"]["COLLECTION_FREQUENCY"]. Either a legitimate value should be provided for this key, or it should be removed altogether. Error: An empty value or a null value was detected in ["COLLECTION"]["ADDITIVES"]. Either a legitimate value should be provided for this key, or it should be removed altogether. Error: An empty value or a null value was detected in ["CHROMATOGRAPHY"]["FLOW_GRADIENT"]. A legitimate value should be provided for this required key. Error: The value, "NA", in ["CHROMATOGRAPHY"]["FLOW_RATE"] should be a number or range (ex. "5-6") followed by a space with a unit (ex. "5 V") from the following list: ['mL/min', 'uL/min', 'μL/min']. Ignore this when more complicated descriptions are required. Error: The value in ["CHROMATOGRAPHY"]["COLUMN_TEMPERATURE"] should be a number or range (ex. "5-6") followed by a space with a unit (ex. "5 V") from the following list: ['°C', 'C']. Ignore this when more complicated descriptions are required. Error: An empty value or a null value was detected in ["CHROMATOGRAPHY"]["SOLVENT_A"]. A legitimate value should be provided for this required key. Error: An empty value or a null value was detected in ["CHROMATOGRAPHY"]["SOLVENT_B"]. A legitimate value should be provided for this required key. Warning: The "NEC04_D1" column at position 17 in the ["MS_METABOLITE_DATA"]["Data"] table has all null values. Error: The ["MS_METABOLITE_DATA"]["Metabolites"] table does not have a column for "Metabolite". It is likely misspelled or using a common incorrect substitute.