Validation Log
2025-12-14 22:07:15.929215
mwtab Python Library Version: 2.0.0
Source:        https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN001820/mwtab/txt
Study ID:      ST000623
Analysis ID:   AN001820
File format:   txt
Status: Contains Validation Issues
Number of Issues: 10

Number of Warnings: 0

Number of Value Errors: 2

Number of Consistency Errors: 3

Number of Format Errors: 5

Issue Log:
Error: The value, "POSITIVE POSITIVE", for the subsection, "ION_MODE", in the "MS" section should be one of "Positive", "Negative", "Positive, Negative", or "Unspecified". Ignore this when more complicated descriptions are required.
Error: An empty value or a null value was detected for the subsection, "MS_COMMENTS", in the "MS" 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.
Error: The section, MS, has a sub-section, INSTRUMENT_TYPE, that is duplicated.
Error: The section, MS, has a sub-section, MS_TYPE, that is duplicated.
Error: The section, MS, has a sub-section, ION_MODE, that is duplicated.