Flow price: --
d63ca704890fbbbfb89a82bc2352bcbc2202b35f6c5c460852fa47eb341519e8

Transaction

Hash: d63ca704890fbbbfb89a82bc2352bcbc2202b35f6c5c460852fa47eb341519e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d63ca704890fbbbfb89a82bc2352bcbc2202b35f6c5c460852fa47eb341519e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d63ca704890fbbbfb89a82bc2352bcbc2202b35f6c5c460852fa47eb341519e8
Status:
ERROR
Block height:
40039493
Block id:
c5b441cc02f9c80252de8dd09a46ba06d768333435a289324bcf5ad5251db87b
Timestamp:
Monday 31 October 2022 at 09:31:35 UTC
()
Proposer:
Authorizers:
Gas used:
49