Flow price: --
4599bc1868f4e43edcf54c9062c923a068fccadc33af9b0713fba07cafa69e08

Transaction

Hash: 4599bc1868f4e43edcf54c9062c923a068fccadc33af9b0713fba07cafa69e08
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4599bc1868f4e43edcf54c9062c923a068fccadc33af9b0713fba07cafa69e08:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4599bc1868f4e43edcf54c9062c923a068fccadc33af9b0713fba07cafa69e08
Status:
ERROR
Block height:
40100948
Block id:
649fe2bdc20f75a4d71b48462d4599fd04aacfd7352501b6102ad0e65756e8c3
Timestamp:
Tuesday 1 November 2022 at 10:18:06 UTC
()
Proposer:
Authorizers:
Gas used:
50