{"author_name":"Jennifer Hillman-Jackson, Garima Singh","author_url":"https://galaxy.training","description":"Input problems are very common across any analysis that makes use of programmed tools.  - Causes:     - No quality assurance or content/formatting checks were run on the first datasets of an analysis workflow.     - Incomplete dataset Upload.     - Incorrect or unassigned [datatype]({% link faqs/galaxy/index.md %}#datasets) or [database]({% link faqs/galaxy/datasets_change_dbkey.md %}).     - Tool-specific formatting requirements for inputs were not met.     - Parameters set on a tool form are a mismatch for the input data content or format.     - Inputs were in an error state (red) or were putatively successful (green) but are empty.     - Inputs do not meet the datatype specification.     - Inputs do not contain the exact content that a tool is expecting or that was input in the form.     - Annotation files are a mismatch for the selected or assigned reference genome build.     - **Special case:** Some of the data were generated outside of Galaxy, but later a built-in indexed geno...","height":400,"html":"<iframe width=\"560\" height=\"400\" scrolling=\"yes\" sandbox=\"allow-same-origin allow-scripts\" title=\"FAQ: Understanding input error messages\" src=\"https://training.galaxyproject.org/training-material/faqs/galaxy/troubleshooting_input_problem.html?utm_source=galaxy-help&utm_medium=oembed&utm_campaign=oembed\" frameborder=\"0\" allowfullscreen></iframe>","provider_name":"Galaxy Training Network (GTN)","provider_url":"https://galaxy.training","thumbnail_height":400,"thumbnail_url":"https://training.galaxyproject.org/training-material/assets/images/GTNLogo1000.png","thumbnail_width":560,"title":"FAQ: Understanding input error messages","type":"video","version":"1.0","width":560}