Flow price: --
44555c1b039c235d0c97e6c47f0406ee9c61f889a5b79da914d4ed79b4618fad

Transaction

Hash: 44555c1b039c235d0c97e6c47f0406ee9c61f889a5b79da914d4ed79b4618fad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 44555c1b039c235d0c97e6c47f0406ee9c61f889a5b79da914d4ed79b4618fad: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:
44555c1b039c235d0c97e6c47f0406ee9c61f889a5b79da914d4ed79b4618fad
Status:
ERROR
Block height:
39932984
Block id:
5bed05201c984143b039c180e1da75bc121f15040043cac387299612f1698c8c
Timestamp:
Saturday 29 October 2022 at 15:02:05 UTC
()
Proposer:
Authorizers:
Gas used:
46