Flow price: --
3d8e49d5455eb5374b86449b318452d71946137d5b29d8a5e6e2c2cc08ca8c75

Transaction

Hash: 3d8e49d5455eb5374b86449b318452d71946137d5b29d8a5e6e2c2cc08ca8c75
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3d8e49d5455eb5374b86449b318452d71946137d5b29d8a5e6e2c2cc08ca8c75:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3d8e49d5455eb5374b86449b318452d71946137d5b29d8a5e6e2c2cc08ca8c75
Status:
ERROR
Block height:
40160182
Block id:
ce34c1a3434c9831ce44be43fd741e2812339ed559b1dbb2eaf1eaa59dc22b2e
Timestamp:
Wednesday 2 November 2022 at 10:22:56 UTC
()
Proposer:
Authorizers:
Gas used:
46