For my state driver's license number (Colorado) it is saying that i must have letters and numbers. My license does not have letters and it isn't accepting

[NiaW · Accepted solution]

The message is trying to stop the entry of any special characters or spaces and several states do have only numbers.

Please try to enter the license number and use any numbers but do not enter any special characters such as - or *  or spaces.

Please be sure there are no extra spaces at the beginning or the end.