Flow price: --
058768a2fe14a64ff7135aa50247b144bee15b80c2236fc71c7b5f95ab437b30

Transaction

Hash: 058768a2fe14a64ff7135aa50247b144bee15b80c2236fc71c7b5f95ab437b30
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 058768a2fe14a64ff7135aa50247b144bee15b80c2236fc71c7b5f95ab437b30:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
058768a2fe14a64ff7135aa50247b144bee15b80c2236fc71c7b5f95ab437b30
Status:
ERROR
Block height:
39975026
Block id:
ba83530c9b0e2cfba9ae3e0914cbc1bad02093a5c34f34164b1f14ed126f44b4
Timestamp:
Sunday 30 October 2022 at 07:46:47 UTC
()
Proposer:
Authorizers:
Gas used:
47