Flow price: --
f20078f597a3edadceb75d1f5c2552dd5445ea99f79dff491a710eb9ce88eba2

Transaction

Hash: f20078f597a3edadceb75d1f5c2552dd5445ea99f79dff491a710eb9ce88eba2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f20078f597a3edadceb75d1f5c2552dd5445ea99f79dff491a710eb9ce88eba2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f20078f597a3edadceb75d1f5c2552dd5445ea99f79dff491a710eb9ce88eba2
Status:
ERROR
Block height:
39911740
Block id:
a532835aa02b2ab56f1c806844e509340f1e8e27cef6b048cffc8019ecc93788
Timestamp:
Saturday 29 October 2022 at 06:27:53 UTC
()
Proposer:
Authorizers:
Gas used:
48