Flow price: --
f1742bfc5b71cafa82f5a90634d5c592bfa3dd0a5893fac03657d5c25a2a8bc3

Transaction

Hash: f1742bfc5b71cafa82f5a90634d5c592bfa3dd0a5893fac03657d5c25a2a8bc3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f1742bfc5b71cafa82f5a90634d5c592bfa3dd0a5893fac03657d5c25a2a8bc3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f1742bfc5b71cafa82f5a90634d5c592bfa3dd0a5893fac03657d5c25a2a8bc3
Status:
ERROR
Block height:
39747193
Block id:
33398f5bfa4df7165388bc7dc57879febca60395a0921b1a2cc5e46a0bf88ce7
Timestamp:
Wednesday 26 October 2022 at 12:19:45 UTC
()
Proposer:
Authorizers:
Gas used:
46