Validation Log 2025-12-14 23:04:34.796521 mwtab Python Library Version: 2.0.0 Source: https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN002131/mwtab/txt Study ID: ST001286 Analysis ID: AN002131 File format: txt Status: Contains Validation Issues Number of Issues: 16 Number of Warnings: 9 Number of Value Errors: 11 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, "TREATMENT_SUMMARY", in the "TREATMENT" section. A legitimate value should be provided for this required subsection. Error: An empty value or a null value was detected for the subsection, "SAMPLE_DERIVATIZATION", in the "SAMPLEPREP" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether. 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 "quantified m/z" column at position 10 in the METABOLITES table, matches a standard column name, "moverz_quant". If this match was not in error, the column should be renamed to the standard name or a name that doesn't resemble the standard name. Warning: The "Mass Info (precursor ion, product ion)" column at position 5 in the METABOLITES table, matches a standard column name, "mass". If this match was not in error, the column should be renamed to the standard name or a name that doesn't resemble the standard name. Warning: The "InChIKey" column at position 8 in the METABOLITES table, matches a standard column name, "inchi_key". If this match was not in error, the column should be renamed to the standard name or a name that doesn't resemble the standard name. Warning: The "Human Metabolome Database" column at position 7 in the METABOLITES table, matches a standard column name, "hmdb_id". If this match was not in error, the column should be renamed to the standard name or a name that doesn't resemble the standard name. Warning: The "LipidMAPS" column at position 9 in the METABOLITES table, matches a standard column name, "lm_id". If this match was not in error, the column should be renamed to the standard name or a name that doesn't resemble the standard name. Warning: The "MW structure" column at position 4 in the METABOLITES table, matches a standard column name, "mw_regno". If this match was not in error, the column should be renamed to the standard name or a name that doesn't resemble the standard name. Warning: The "Retention times" column at position 6 in the METABOLITES table, matches a standard column name, "retention_time". If this match was not in error, the column should be renamed to the standard name or a name that doesn't resemble the standard name. Warning: The "Retention times" column at position 6 in the METABOLITES table has all null values. Warning: The "MW structure" column at position 4 in the METABOLITES table may have incorrect values. 90% or more of the values are the same, but 10% or less are different.