Flow price: --
6e79c2138e030304ed657c19b93cb0e959b9f5eda53466dc05433b57653eb97e

Transaction

Hash: 6e79c2138e030304ed657c19b93cb0e959b9f5eda53466dc05433b57653eb97e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6e79c2138e030304ed657c19b93cb0e959b9f5eda53466dc05433b57653eb97e: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:
6e79c2138e030304ed657c19b93cb0e959b9f5eda53466dc05433b57653eb97e
Status:
ERROR
Block height:
39857746
Block id:
c6d4ae00b06806153baea53d37e41c5b0a4d7690e82f5d73c1bde1b3ae77408a
Timestamp:
Friday 28 October 2022 at 08:54:47 UTC
()
Proposer:
Authorizers:
Gas used:
47