Flow price: --
2929b1be8e7fb344882c4ea9a6e1f5dbe4138344d21f276593d9f96a50b3840c

Transaction

Hash: 2929b1be8e7fb344882c4ea9a6e1f5dbe4138344d21f276593d9f96a50b3840c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2929b1be8e7fb344882c4ea9a6e1f5dbe4138344d21f276593d9f96a50b3840c: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:
2929b1be8e7fb344882c4ea9a6e1f5dbe4138344d21f276593d9f96a50b3840c
Status:
ERROR
Block height:
40032924
Block id:
fd5e99849c3d378a6203805c39cb7521d9b7099ef000705ab27213c26e990916
Timestamp:
Monday 31 October 2022 at 06:54:10 UTC
()
Proposer:
Authorizers:
Gas used:
53