Flow price: --
99597a2c001d0cf5c4f5aed7824f86bf7185a2ac004882948db3b0e92fbc9160

Transaction

Hash: 99597a2c001d0cf5c4f5aed7824f86bf7185a2ac004882948db3b0e92fbc9160
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 99597a2c001d0cf5c4f5aed7824f86bf7185a2ac004882948db3b0e92fbc9160:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
99597a2c001d0cf5c4f5aed7824f86bf7185a2ac004882948db3b0e92fbc9160
Status:
ERROR
Block height:
39850836
Block id:
2fcd1e0374e08bd2cdbc4a027ce9809c323459f55dcec570659436ee8de46f4c
Timestamp:
Friday 28 October 2022 at 06:06:00 UTC
()
Proposer:
Authorizers:
Gas used:
47