Flow price: --
9e25ecb69fc5939088b7692390ca3f011e643c3e316bd1974a31a960ab6cfd36

Transaction

Hash: 9e25ecb69fc5939088b7692390ca3f011e643c3e316bd1974a31a960ab6cfd36
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e25ecb69fc5939088b7692390ca3f011e643c3e316bd1974a31a960ab6cfd36:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e25ecb69fc5939088b7692390ca3f011e643c3e316bd1974a31a960ab6cfd36
Status:
ERROR
Block height:
40055159
Block id:
7056adf32aa593471bc02ebd7237a84a3aa686a80701a3bbe5c38412a1587c23
Timestamp:
Monday 31 October 2022 at 15:51:27 UTC
()
Proposer:
Authorizers:
Gas used:
48