Flow price: --
fe18eb4b19c76f8cf98d7a248f04b787b2e458e3f3b61e1c92d02a15a6ddde30

Transaction

Hash: fe18eb4b19c76f8cf98d7a248f04b787b2e458e3f3b61e1c92d02a15a6ddde30
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fe18eb4b19c76f8cf98d7a248f04b787b2e458e3f3b61e1c92d02a15a6ddde30:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fe18eb4b19c76f8cf98d7a248f04b787b2e458e3f3b61e1c92d02a15a6ddde30
Status:
ERROR
Block height:
40052265
Block id:
75f78c3108e133cd02c65695226075d5990d49a647c90566f897e3125f100256
Timestamp:
Monday 31 October 2022 at 14:41:12 UTC
()
Proposer:
Authorizers:
Gas used:
50