Flow price: --
94b6d92fd20a52e9d31a35a16d20fe6c7fa6bea5b061c28ec1bcafb3ab66698b

Transaction

Hash: 94b6d92fd20a52e9d31a35a16d20fe6c7fa6bea5b061c28ec1bcafb3ab66698b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 94b6d92fd20a52e9d31a35a16d20fe6c7fa6bea5b061c28ec1bcafb3ab66698b: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:
94b6d92fd20a52e9d31a35a16d20fe6c7fa6bea5b061c28ec1bcafb3ab66698b
Status:
ERROR
Block height:
40100920
Block id:
490ddf4532c3dba3d7da40f0fae9858c9bd73871f2e047cfcb6aad17347ad094
Timestamp:
Tuesday 1 November 2022 at 10:17:26 UTC
()
Proposer:
Authorizers:
Gas used:
47