Validation Log 2025-12-14 22:06:57.588481 mwtab Python Library Version: 2.0.0 Source: https://www.metabolomicsworkbench.org/rest/study/analysis_id/AN000948/mwtab/json Study ID: ST000618 Analysis ID: AN000948 File format: json Status: Contains Validation Issues Number of Issues: 2 Number of Warnings: 0 Number of Value Errors: 1 Number of Consistency Errors: 0 Number of Format Errors: 1 Issue Log: Error: An empty value or a null value was detected in ["MS"]["MS_COMMENTS"]. Either a legitimate value should be provided for this key, or it should be removed altogether. Error: The required property, "FLOW_GRADIENT", in ["CHROMATOGRAPHY"] is missing.