Flow price: --
180f90689b1b2d6eb45c8473a0bddb91fe0ac3c50f3ad9b7014fd2b8b45d3661

Transaction

Hash: 180f90689b1b2d6eb45c8473a0bddb91fe0ac3c50f3ad9b7014fd2b8b45d3661
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 180f90689b1b2d6eb45c8473a0bddb91fe0ac3c50f3ad9b7014fd2b8b45d3661:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
180f90689b1b2d6eb45c8473a0bddb91fe0ac3c50f3ad9b7014fd2b8b45d3661
Status:
ERROR
Block height:
39996956
Block id:
52327580cee33c56311552935e2e99c6970af76ad2082e48f1c41b63ad95e750
Timestamp:
Sunday 30 October 2022 at 16:32:41 UTC
()
Proposer:
Authorizers:
Gas used:
50