Flow price: --
d9bb963a44f4a23b0c56bfcb05e7c9b512ede7f36466f99594cb0e216308527f

Transaction

Hash: d9bb963a44f4a23b0c56bfcb05e7c9b512ede7f36466f99594cb0e216308527f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d9bb963a44f4a23b0c56bfcb05e7c9b512ede7f36466f99594cb0e216308527f: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:
d9bb963a44f4a23b0c56bfcb05e7c9b512ede7f36466f99594cb0e216308527f
Status:
ERROR
Block height:
39991942
Block id:
9c885baad53f6544e52ba011453032147578185678a61093267030950b597f5c
Timestamp:
Sunday 30 October 2022 at 14:32:08 UTC
()
Proposer:
Authorizers:
Gas used:
48