Validation Log 2025-12-14 23:54:28.598547 mwtab Python Library Version: 2.0.0 Source: https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN003075/mwtab/json Study ID: ST001894 Analysis ID: AN003075 File format: json Status: Contains Validation Issues Number of Issues: 9 Number of Warnings: 0 Number of Value Errors: 3 Number of Consistency Errors: 0 Number of Format Errors: 6 Issue Log: Error: The value, "22-25 weeks of age", in ["SUBJECT"]["AGE_OR_AGE_RANGE"] should be a number or range (ex. "5-6") followed by a space with a unit (ex. "5 V") from the following list: ['weeks', 'days', 'months', 'years']. Ignore this when more complicated descriptions are required. Error: An empty value or a null value was detected in ["TREATMENT"]["TREATMENT_COMPOUND"]. 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 ["TREATMENT"]["ANIMAL_FASTING"]. Either a legitimate value should be provided for this key, or it should be removed altogether. Error: The required property, "FLOW_GRADIENT", in ["CHROMATOGRAPHY"] is missing. Error: The required property, "FLOW_RATE", in ["CHROMATOGRAPHY"] is missing. Error: The required property, "COLUMN_TEMPERATURE", in ["CHROMATOGRAPHY"] is missing. Error: The required property, "SOLVENT_A", in ["CHROMATOGRAPHY"] is missing. Error: The required property, "SOLVENT_B", in ["CHROMATOGRAPHY"] is missing. Error: The ["MS_METABOLITE_DATA"]["Metabolites"] table does not have a column for "Metabolite". It is likely misspelled or using a common incorrect substitute.