Flow price: --
5dddc5d54faea699102e0fc3d5e128e9185c85a40bce2e63cf5d44db67797d6b

Transaction

Hash: 5dddc5d54faea699102e0fc3d5e128e9185c85a40bce2e63cf5d44db67797d6b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5dddc5d54faea699102e0fc3d5e128e9185c85a40bce2e63cf5d44db67797d6b: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:
5dddc5d54faea699102e0fc3d5e128e9185c85a40bce2e63cf5d44db67797d6b
Status:
ERROR
Block height:
39941083
Block id:
f494ff6fb81b4578f8e30707c1067ee5fa9909839c6b4420c2c4d673c67ce9ce
Timestamp:
Saturday 29 October 2022 at 18:17:55 UTC
()
Proposer:
Authorizers:
Gas used:
51