Flow price: --
aa291c1a9711eab8b798820d78b24ff62582cfdb8eb10de532c12e636c71dd3f

Transaction

Hash: aa291c1a9711eab8b798820d78b24ff62582cfdb8eb10de532c12e636c71dd3f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> aa291c1a9711eab8b798820d78b24ff62582cfdb8eb10de532c12e636c71dd3f: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:
aa291c1a9711eab8b798820d78b24ff62582cfdb8eb10de532c12e636c71dd3f
Status:
ERROR
Block height:
39982152
Block id:
6125c54d02bc4be13cf246548cd7c3ba4da177627b2acc0747c02c06ed2ea7e7
Timestamp:
Sunday 30 October 2022 at 10:36:40 UTC
()
Proposer:
Authorizers:
Gas used:
48