Validation Log 2025-12-15 02:49:47.197814 mwtab Python Library Version: 2.0.0 Source: https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN006202/mwtab/json Study ID: ST003776 Analysis ID: AN006202 File format: json Status: Contains Validation Issues Number of Issues: 8 Number of Warnings: 1 Number of Value Errors: 8 Number of Consistency Errors: 0 Number of Format Errors: 0 Issue Log: Error: An empty value or a null value was detected in ["CHROMATOGRAPHY"]["INSTRUMENT_NAME"]. A legitimate value should be provided for this required key. Error: An empty value or a null value was detected in ["CHROMATOGRAPHY"]["COLUMN_NAME"]. A legitimate value should be provided for this required key. 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, "none", 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, "none", 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 "CLASS" column at position 2 in the ["MS_METABOLITE_DATA"]["Metabolites"] table, matches a standard column name, "class", and some of the values in the column do not match the expected type or format for that column. The non-matching values are: 142 PCHO 143 PCHO 144 PCHO 145 PCHO 146 PCHO 147 PCHO 148 PCHO 149 PCHO 150 PCHO 151 PCHO 152 PCHO 153 PCHO 154 PCHO 155 PCHO 156 PCHO 157 PCHO 158 PCHO 159 PCHO 160 PCHO 161 PCHO 162 PCHO 163 PCHO 164 PCHO 165 PCHO 166 PCHO 167 PCHO 168 PCHO 169 PCHO 170 PCHO 171 PCHO 172 PCHO 173 PCHO 174 PCHO 175 PCHO 176 PCHO 177 PCHO 178 PCHO