Flow price: --
af320c51d025c68764d56aa39301c1de0009bf69d865900d867c3c90ac090bfa

Transaction

Hash: af320c51d025c68764d56aa39301c1de0009bf69d865900d867c3c90ac090bfa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> af320c51d025c68764d56aa39301c1de0009bf69d865900d867c3c90ac090bfa: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:
af320c51d025c68764d56aa39301c1de0009bf69d865900d867c3c90ac090bfa
Status:
ERROR
Block height:
39859257
Block id:
dd0c2f608e0f5f86b273ad7c544c9763a802ac1fd04e4b977c2f48f445532753
Timestamp:
Friday 28 October 2022 at 09:30:52 UTC
()
Proposer:
Authorizers:
Gas used:
49