Flow price: --
d41ec7f679b6659f287529a870aedbe0979de977fddae7e4177b4a0829cd1296

Transaction

Hash: d41ec7f679b6659f287529a870aedbe0979de977fddae7e4177b4a0829cd1296
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d41ec7f679b6659f287529a870aedbe0979de977fddae7e4177b4a0829cd1296:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d41ec7f679b6659f287529a870aedbe0979de977fddae7e4177b4a0829cd1296
Status:
ERROR
Block height:
39872942
Block id:
58ce63baf35c1cf836e1aa1cea22d4babf48c1410b08f439a72cfab2f4873971
Timestamp:
Friday 28 October 2022 at 15:00:34 UTC
()
Proposer:
Authorizers:
Gas used:
50