Flow price: --
576d5998d37ee612aba04583ce51334930288ec7cd95a78d4caa199d98fb3d07

Transaction

Hash: 576d5998d37ee612aba04583ce51334930288ec7cd95a78d4caa199d98fb3d07
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 576d5998d37ee612aba04583ce51334930288ec7cd95a78d4caa199d98fb3d07:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
576d5998d37ee612aba04583ce51334930288ec7cd95a78d4caa199d98fb3d07
Status:
ERROR
Block height:
39728583
Block id:
e0b7e416cf8e0be329479a95ed8356ba48b4e34f58dd1d3dcf5f6d672e117ece
Timestamp:
Wednesday 26 October 2022 at 04:49:36 UTC
()
Proposer:
Authorizers:
Gas used:
47