Flow price: --
b182f9ed5bea6bbe4e946891174d64ceb26080da92585e75dae1678f2bdbb8eb

Transaction

Hash: b182f9ed5bea6bbe4e946891174d64ceb26080da92585e75dae1678f2bdbb8eb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b182f9ed5bea6bbe4e946891174d64ceb26080da92585e75dae1678f2bdbb8eb: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:
b182f9ed5bea6bbe4e946891174d64ceb26080da92585e75dae1678f2bdbb8eb
Status:
ERROR
Block height:
40149651
Block id:
a0dcd015e5c896016f96efbee18f2f11d3c7361b55f1828d6e63dd0898292529
Timestamp:
Wednesday 2 November 2022 at 06:05:41 UTC
()
Proposer:
Authorizers:
Gas used:
50