I have been checking my status for the last 2 years, all the sudden it gives me this:
Case Status Search Page
Validation Error(s)
You must correct the following error(s) before proceeding:
To view the status of a case, please enter the corresponding application receipt number. The 13-character application receipt number can be found on application notices you have received from the USCIS. It begins with three letters such as (EAC, WAC, LIN, or SRC). Dashes ("-") should be omitted when entering a receipt number. However, all other characters, including asterisks ("*"), can be included if listed on your notice as part of the receipt number. See the FAQs for additional information on this system.
Case Status Search Page
Validation Error(s)
You must correct the following error(s) before proceeding:
To view the status of a case, please enter the corresponding application receipt number. The 13-character application receipt number can be found on application notices you have received from the USCIS. It begins with three letters such as (EAC, WAC, LIN, or SRC). Dashes ("-") should be omitted when entering a receipt number. However, all other characters, including asterisks ("*"), can be included if listed on your notice as part of the receipt number. See the FAQs for additional information on this system.