Flow price: --
3941146c8f753a97fe16f5559890df95a5bf950a1b6db0f9ca79f8168139fd90

Transaction

Hash: 3941146c8f753a97fe16f5559890df95a5bf950a1b6db0f9ca79f8168139fd90
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3941146c8f753a97fe16f5559890df95a5bf950a1b6db0f9ca79f8168139fd90:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3941146c8f753a97fe16f5559890df95a5bf950a1b6db0f9ca79f8168139fd90
Status:
ERROR
Block height:
39882545
Block id:
498243b0714a724373bb652c7924a6f8904b89cf8073228efa200b83f10ab5a7
Timestamp:
Friday 28 October 2022 at 18:50:37 UTC
()
Proposer:
Authorizers:
Gas used:
48