Deleting Data Import Configurations - error?

[CraigP]

I'm attempting to tidy up our Data Import Configurations by removing old/redundant ones.

When I attempted to delete one, at first it seemed to hang for a little bit, and then the error "Unable to Delete Import Could not connect to server (Error code: -1)" popped up.

I refreshed the page and the Import Configuration I was trying to delete was still there.

I tried again, and this time it hung for a bit and then returned the error "Unable to Delete Import A database or query error occurred while deleting the record".

However, upon refreshing it seems to have deleted the Import Configuration successfully. I also looked in the "h_sys_imports" table and it no longer appears to be there.

Should I be concerned? Can I continue to delete redundant Import Configurations or does this cause some sort of issue in the background that I'm not aware of? Is there another table that references these that might not be successfully removing the record?

[CraigP]

Having just tried deleting another one, is it because h_sys_imports_history might have so many records that it takes a while to clear them?