Flow price: --
14e3da13e2055f02c82a37cf4b71f3b0af8be6dac3359426e3af65566717d357

Transaction

Hash: 14e3da13e2055f02c82a37cf4b71f3b0af8be6dac3359426e3af65566717d357
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 14e3da13e2055f02c82a37cf4b71f3b0af8be6dac3359426e3af65566717d357:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
14e3da13e2055f02c82a37cf4b71f3b0af8be6dac3359426e3af65566717d357
Status:
ERROR
Block height:
40168349
Block id:
79caa944b9b10cecfe30839d4ec8f712c37226dd399e7147099a6e9870faa847
Timestamp:
Wednesday 2 November 2022 at 13:40:17 UTC
()
Proposer:
Authorizers:
Gas used:
48