Flow price: --
f9060d93b95890a20995061dc2bd5f5278b7de5377f76146b2b90e8d7860d030

Transaction

Hash: f9060d93b95890a20995061dc2bd5f5278b7de5377f76146b2b90e8d7860d030
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f9060d93b95890a20995061dc2bd5f5278b7de5377f76146b2b90e8d7860d030:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f9060d93b95890a20995061dc2bd5f5278b7de5377f76146b2b90e8d7860d030
Status:
ERROR
Block height:
40093987
Block id:
c4cb7ead9beff324e9d1cf826ca1b5c1178f6ee618e45c8ccfd97ee5bdacf4ad
Timestamp:
Tuesday 1 November 2022 at 07:28:45 UTC
()
Proposer:
Authorizers:
Gas used:
48