Validation Log
2026-02-22 08:06:42.682462
mwtab Python Library Version: 2.0.0
Source:        https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN007677/mwtab/txt
Study ID:      ST004570
Analysis ID:   AN007677
File format:   txt
Status: Contains Validation Issues
Number of Issues: 25

Number of Warnings: 0

Number of Value Errors: 24

Number of Consistency Errors: 0

Number of Format Errors: 1

Issue Log:
Error: An empty value or a null value was detected for the subsection, "PUBLICATIONS", in the "PROJECT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "CONTRIBUTORS", in the "PROJECT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "PUBLICATIONS", in the "STUDY" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: The required property, "SUBJECT_SPECIES", in the "SUBJECT" section  is missing.
Error: An empty value or a null value was detected for the subsection, "COLLECTION_PROTOCOL_ID", in the "COLLECTION" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "COLLECTION_PROTOCOL_FILENAME", in the "COLLECTION" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "COLLECTION_PROTOCOL_COMMENTS", in the "COLLECTION" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "TREATMENT_PROTOCOL_ID", in the "TREATMENT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "TREATMENT_PROTOCOL_FILENAME", in the "TREATMENT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "TREATMENT", in the "TREATMENT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "TREATMENT_COMPOUND", in the "TREATMENT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "TREATMENT_ROUTE", in the "TREATMENT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "TREATMENT_DOSE", in the "TREATMENT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "TREATMENT_DOSEVOLUME", in the "TREATMENT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: The value, "NA", for the subsection, "TREATMENT_DOSEDURATION", in the "TREATMENT" section should be a number or range (ex. "5-6") followed by a space with a unit (ex. "5 V") from the following list: ['h', 'weeks', 'days']. Ignore this when more complicated descriptions are required.
Error: An empty value or a null value was detected for the subsection, "TREATMENT_VEHICLE", in the "TREATMENT" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "SAMPLEPREP_PROTOCOL_ID", in the "SAMPLEPREP" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "SAMPLEPREP_PROTOCOL_FILENAME", in the "SAMPLEPREP" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "EXTRACT_ENRICHMENT", in the "SAMPLEPREP" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "EXTRACT_CLEANUP", in the "SAMPLEPREP" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
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: An empty value or a null value was detected for the subsection, "SAMPLE_SPIKING", in the "SAMPLEPREP" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: An empty value or a null value was detected for the subsection, "SUBCELLULAR_LOCATION", in the "SAMPLEPREP" section. Either a legitimate value should be provided for this subsection, or it should be removed altogether.
Error: The value, "0.3", for the subsection, "FLOW_RATE", in the "CHROMATOGRAPHY" section 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, "40°C", for the subsection, "COLUMN_TEMPERATURE", in the "CHROMATOGRAPHY" section 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.