Flow price: --
198e290a25dffce92e7a9d45574a6ce326d638caf8dd25de59fc71666efc9714

Transaction

Hash: 198e290a25dffce92e7a9d45574a6ce326d638caf8dd25de59fc71666efc9714
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 198e290a25dffce92e7a9d45574a6ce326d638caf8dd25de59fc71666efc9714:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
198e290a25dffce92e7a9d45574a6ce326d638caf8dd25de59fc71666efc9714
Status:
ERROR
Block height:
40064198
Block id:
62e3ea8815370a1c577d6b68cdfc6d3c991711f6710ec7eb7072a5247761a23e
Timestamp:
Monday 31 October 2022 at 19:31:29 UTC
()
Proposer:
Authorizers:
Gas used:
47