Validation Log
2026-04-12 09:34:13.786371
mwtab Python Library Version: 2.0.0
Source:        https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN007923/mwtab/txt
Study ID:      ST004691
Analysis ID:   AN007923
File format:   txt
Status: Contains Validation Issues
Number of Issues: 9

Number of Warnings: 0

Number of Value Errors: 1

Number of Consistency Errors: 0

Number of Format Errors: 8

Issue Log:
Error: The value, "50+", for the subsection, "AGE_OR_AGE_RANGE", in the "SUBJECT" section 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: The required property, "CHROMATOGRAPHY_TYPE", in the "CHROMATOGRAPHY" section  is missing.
Error: The required property, "INSTRUMENT_NAME", in the "CHROMATOGRAPHY" section  is missing.
Error: The required property, "COLUMN_NAME", in the "CHROMATOGRAPHY" section  is missing.
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.