Flow price: --
834632084e57029e1e5e25763467a6c5b34b9b9947a4a40073d2bc6af1be3f02

Transaction

Hash: 834632084e57029e1e5e25763467a6c5b34b9b9947a4a40073d2bc6af1be3f02
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 834632084e57029e1e5e25763467a6c5b34b9b9947a4a40073d2bc6af1be3f02:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
834632084e57029e1e5e25763467a6c5b34b9b9947a4a40073d2bc6af1be3f02
Status:
ERROR
Block height:
40095803
Block id:
c6fe9fd008a0bcbc48f1cc13d85b8f9ac5757b45746607b68aaba16983689e6b
Timestamp:
Tuesday 1 November 2022 at 08:13:05 UTC
()
Proposer:
Authorizers:
Gas used:
52