Flow price: --
b4339b012c08bddb403a0a0573e00b31b0b721b86cbe036abf973eabec01e407

Transaction

Hash: b4339b012c08bddb403a0a0573e00b31b0b721b86cbe036abf973eabec01e407
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4339b012c08bddb403a0a0573e00b31b0b721b86cbe036abf973eabec01e407:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4339b012c08bddb403a0a0573e00b31b0b721b86cbe036abf973eabec01e407
Status:
ERROR
Block height:
40106919
Block id:
4fab0156860ac403641aa1acb877c005e5ea3895090645e7b3d8091116e2170e
Timestamp:
Tuesday 1 November 2022 at 12:43:14 UTC
()
Proposer:
Authorizers:
Gas used:
46