Flow price: --
b4a165e17f05e903d257e176b85a2656c2a06f6a313147a2b470f366d66ac2b0

Transaction

Hash: b4a165e17f05e903d257e176b85a2656c2a06f6a313147a2b470f366d66ac2b0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4a165e17f05e903d257e176b85a2656c2a06f6a313147a2b470f366d66ac2b0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b4a165e17f05e903d257e176b85a2656c2a06f6a313147a2b470f366d66ac2b0
Status:
ERROR
Block height:
40098537
Block id:
4b5024d565fd0acfaaefbf990c86e1ce78afe289669fbc1cfc297cf9f0f2b323
Timestamp:
Tuesday 1 November 2022 at 09:19:58 UTC
()
Proposer:
Authorizers:
Gas used:
46