Flow price: --
879e0cb949c483459bddb6eb88a418de78141216800009a034013185c9e58bc2

Transaction

Hash: 879e0cb949c483459bddb6eb88a418de78141216800009a034013185c9e58bc2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 879e0cb949c483459bddb6eb88a418de78141216800009a034013185c9e58bc2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
879e0cb949c483459bddb6eb88a418de78141216800009a034013185c9e58bc2
Status:
ERROR
Block height:
39994704
Block id:
dff8912a4a5d62b0adec7e60622aa488f6330c5e60c15c4a2d141cb94ec6312e
Timestamp:
Sunday 30 October 2022 at 15:38:17 UTC
()
Proposer:
Authorizers:
Gas used:
49