Flow price: --
b566ca11f4f2177d1c94962a59acb056fd5ab7b2754063a48a92c3b6ee246326

Transaction

Hash: b566ca11f4f2177d1c94962a59acb056fd5ab7b2754063a48a92c3b6ee246326
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b566ca11f4f2177d1c94962a59acb056fd5ab7b2754063a48a92c3b6ee246326:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b566ca11f4f2177d1c94962a59acb056fd5ab7b2754063a48a92c3b6ee246326
Status:
ERROR
Block height:
39744576
Block id:
3abd17caa204398515cc34fd64db052304ad31231aad4168734db03083cf8106
Timestamp:
Wednesday 26 October 2022 at 11:16:15 UTC
()
Proposer:
Authorizers:
Gas used:
47