Flow price: --
6a66f9abd769ed7cbe54b1321b3ac03044a85c698935a0b5143c1c1a712dfc4c

Transaction

Hash: 6a66f9abd769ed7cbe54b1321b3ac03044a85c698935a0b5143c1c1a712dfc4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6a66f9abd769ed7cbe54b1321b3ac03044a85c698935a0b5143c1c1a712dfc4c: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:
6a66f9abd769ed7cbe54b1321b3ac03044a85c698935a0b5143c1c1a712dfc4c
Status:
ERROR
Block height:
40020445
Block id:
082b1e1f34ff473d665e492b45ebd1e561f452656a6e7550baf1d112efc25b97
Timestamp:
Monday 31 October 2022 at 01:52:57 UTC
()
Proposer:
Authorizers:
Gas used:
50