Flow price: --
b517abf8627d34414f299f7806e4c50aa532f60bb309dc93aa0bb1030f929e62

Transaction

Hash: b517abf8627d34414f299f7806e4c50aa532f60bb309dc93aa0bb1030f929e62
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b517abf8627d34414f299f7806e4c50aa532f60bb309dc93aa0bb1030f929e62:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b517abf8627d34414f299f7806e4c50aa532f60bb309dc93aa0bb1030f929e62
Status:
ERROR
Block height:
39858464
Block id:
b37e0dc7b83683cfbc8732e84211264d0745a3e15ef2437530fbcf45968db665
Timestamp:
Friday 28 October 2022 at 09:11:52 UTC
()
Proposer:
Authorizers:
Gas used:
46