Flow price: --
d92dd4fa5c767659e5a96473c0dc91f23a5c39cfcd90c12a9950c8e7d512aefd

Transaction

Hash: d92dd4fa5c767659e5a96473c0dc91f23a5c39cfcd90c12a9950c8e7d512aefd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d92dd4fa5c767659e5a96473c0dc91f23a5c39cfcd90c12a9950c8e7d512aefd: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:
d92dd4fa5c767659e5a96473c0dc91f23a5c39cfcd90c12a9950c8e7d512aefd
Status:
ERROR
Block height:
40047010
Block id:
fc7f136170664489f74ca791fe3c96d7a4a2650c21f9bafe011f4a30772bacf8
Timestamp:
Monday 31 October 2022 at 12:33:55 UTC
()
Proposer:
Authorizers:
Gas used:
50