Flow price: --
12daff65894cd21340e059c93af44bf7a9ca8479f82f5066ceb248ad6390831e

Transaction

Hash: 12daff65894cd21340e059c93af44bf7a9ca8479f82f5066ceb248ad6390831e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 12daff65894cd21340e059c93af44bf7a9ca8479f82f5066ceb248ad6390831e: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:
12daff65894cd21340e059c93af44bf7a9ca8479f82f5066ceb248ad6390831e
Status:
ERROR
Block height:
39988402
Block id:
9868ff3c14d6faa7d9bfe146fa9db66e90fa6725e0e558c3ca611c45c20573f9
Timestamp:
Sunday 30 October 2022 at 13:07:07 UTC
()
Proposer:
Authorizers:
Gas used:
46