As Support team, we experience this as a very common issue everyday. People from Secretariat and Districts call us quite often with the 997 error. Same is experienced by Anita too. Like everyday, she walked to office and walked to the nearest wall mounted AEBAS Tablet terminal and put her 6 digit AEBAS ID. The only issue was attendance couldn't be made. Anita tried twice and even thrice to receive the same error.
Frustration is pretty obvious and expected.
As a attendance support, the only solution and advice to the problem is to visit Permanent Enrollment center near you and get your Finger Print and IRIS re-scanned. For your visit, please do carry your Aadhaar number. For people, who need to locate the nearest center and deep-dived technical information can always call UIDAI HELP LINE – 1800 300 1947 or visit UIDAI Website : https://appointments.uidai.gov.in/easearch.aspx
As a fun fact, 997 error features as one of the TOP-5 error trends across country:
For our techie friends, who are really passionate to delve into details, UIDAI on his website has details on all the possible error codes. You can visit UIDAI Error Code; and visit the following section: