https://community.esri.com/t5/arcgis-pro-questions/project-raster-data-error-99999999/m-p/1343659#M74662 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screen Shot 2023-10-31 at 1.09.18 pm.png" style="width: 999px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/84520iD6CBF2E18BEEF4DD/image-size/large?v=v2&amp;px=999" role="button" title="Screen Shot 2023-10-31 at 1.09.18 pm.png" alt="Screen Shot 2023-10-31 at 1.09.18 pm.png" /></span></P><P>Error 99999999</P><P>Trying to "Project Raster" data</P><P>The file keeps saying unable to open that its' unsupported&nbsp;</P><P>&nbsp;</P> Tue, 31 Oct 2023 02:10:55 GMT alanamera 2023-10-31T02:10:55Z https://community.esri.com/t5/arcgis-pro-questions/project-raster-data-error-99999999/m-p/1343659#M74662 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Screen Shot 2023-10-31 at 1.09.18 pm.png" style="width: 999px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/84520iD6CBF2E18BEEF4DD/image-size/large?v=v2&amp;px=999" role="button" title="Screen Shot 2023-10-31 at 1.09.18 pm.png" alt="Screen Shot 2023-10-31 at 1.09.18 pm.png" /></span></P><P>Error 99999999</P><P>Trying to "Project Raster" data</P><P>The file keeps saying unable to open that its' unsupported&nbsp;</P><P>&nbsp;</P> Tue, 31 Oct 2023 02:10:55 GMT https://community.esri.com/t5/arcgis-pro-questions/project-raster-data-error-99999999/m-p/1343659#M74662 alanamera 2023-10-31T02:10:55Z https://community.esri.com/t5/arcgis-pro-questions/project-raster-data-error-99999999/m-p/1343660#M74663 <P>What is the full path to the folder for the *.img output?</P><P>Why not specify a cell size?</P> Tue, 31 Oct 2023 02:17:28 GMT https://community.esri.com/t5/arcgis-pro-questions/project-raster-data-error-99999999/m-p/1343660#M74663 DanPatterson 2023-10-31T02:17:28Z