Deductions & credits

Unfortunately none of these suggestions resolved the issue. Here is a screenshot of what I am running into. I have standard deduction selected and no matter what amount I put in the charitable donation box it gives me an error that it's too large. My husband and I donated a total of $510 so I put in the max of $300 and that gave me the too large error. I tried $299 just to see and still get the error. I cannot move past this as it will not let me file without it corrected.