Repair Geometry Failed

[SydneyHeathcott]

When I trying to use the Feature to Raster tool I get these horizontal streak lines, another post said that the Repair Geometry tool should help to fix this and when trying to run the Repair Geometry  tool I get this error message

999999: Something unexpected caused the tool to fail. Contact Esri Technical Support (http://esriurl.com/support) to Report a Bug, and refer to the error help for potential solutions or workarounds.

I tried pulling the feature into a blank project to run in case it was an issue with the project and the same thing happens. I then thought I'd try to go a round-about way by doing Feature to Polygon then Polygon to Raster, but Feature to Polygon failed with this error message

160196: Invalid Topology

[DanPatterson]

Repair geometry works on vector geometry, to ensure that is what you are trying to do first. 

Repair geometry does not work on raster data.

If what you are trying to "repair" is indeed vector-based, what type of data is it?  A featureclass in a file geodatabase?  So web-based thing?  Cad data?  etc etc

[SydneyHeathcott]

@DanPatterson

im trying to repair a feature class that is in a geodatabase, its originally ssurgo data that i have edited down to a single sand type. I've restarted this project several times because at several points ive been unable to find the causes of errors, however, ive just duplicated the errors. This is the most trouble ive had with a project so ive included some screenshots of my notes to give a better understanding of everything ive done - they are unedited sorry

[DanPatterson]

well at least you have the brilliant guy with the extract by mask idea going for you. 

Now back to the geometry. 

The original featureclass should be check for geometry errors, that is the one first used in the project.  No clipping, messing with borders etc.

....ssurgo data that i have edited down to a single sand type....

if you are only interested in one sand type, then do a Select By Attributes to get all the records for that type, then Copy Features to get a "clean" (hopefully) featureclass of just that sand type.  No editing geometry

Run a Check Geometry on that file.  If it needs to be repaired, run Repair Geometry.

once you get a clean file with the one sand type, clip it so size or whatever. and proceed from there.

I would review your notes if that doesn't give you a starting point.