Flow price: --
9f1e0e2a130776a05c8e42bff5e8dc8089fbd6305b18fa7cc7b8469ea598a889

Transaction

Hash: 9f1e0e2a130776a05c8e42bff5e8dc8089fbd6305b18fa7cc7b8469ea598a889
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9f1e0e2a130776a05c8e42bff5e8dc8089fbd6305b18fa7cc7b8469ea598a889:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9f1e0e2a130776a05c8e42bff5e8dc8089fbd6305b18fa7cc7b8469ea598a889
Status:
ERROR
Block height:
40085494
Block id:
fbf6a057e74d898102c655b7fe7d83b6b8a7c0c6ded0e2b64ba9d6e3266576fc
Timestamp:
Tuesday 1 November 2022 at 04:01:28 UTC
()
Proposer:
Authorizers:
Gas used:
48