Flow price: --
f549963d2200ce70f82ad02a7aae9f3b14b6c28f58a4bfdab5cc77a0d7729bc5

Transaction

Hash: f549963d2200ce70f82ad02a7aae9f3b14b6c28f58a4bfdab5cc77a0d7729bc5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f549963d2200ce70f82ad02a7aae9f3b14b6c28f58a4bfdab5cc77a0d7729bc5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f549963d2200ce70f82ad02a7aae9f3b14b6c28f58a4bfdab5cc77a0d7729bc5
Status:
ERROR
Block height:
39754018
Block id:
705b79399fb20706b18fb0d5105e14ff9a015764a4d63ee47ce732782ed5dbc0
Timestamp:
Wednesday 26 October 2022 at 15:03:54 UTC
()
Proposer:
Authorizers:
Gas used:
50