Flow price: --
908b0a7b4488a289aa928c9c99e21e65680bb393fc52d6201c0390c824e16cdc

Transaction

Hash: 908b0a7b4488a289aa928c9c99e21e65680bb393fc52d6201c0390c824e16cdc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 908b0a7b4488a289aa928c9c99e21e65680bb393fc52d6201c0390c824e16cdc: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:
908b0a7b4488a289aa928c9c99e21e65680bb393fc52d6201c0390c824e16cdc
Status:
ERROR
Block height:
40034469
Block id:
21b81e14afd6c7a8652384bdf381934f980d90f103c0a312ddc2b36146df7605
Timestamp:
Monday 31 October 2022 at 07:31:03 UTC
()
Proposer:
Authorizers:
Gas used:
49