Flow price: --
91e40aae790342be942f587bc845cbe56882bbb41a13daf5764f4815e3627958

Transaction

Hash: 91e40aae790342be942f587bc845cbe56882bbb41a13daf5764f4815e3627958
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 91e40aae790342be942f587bc845cbe56882bbb41a13daf5764f4815e3627958:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
91e40aae790342be942f587bc845cbe56882bbb41a13daf5764f4815e3627958
Status:
ERROR
Block height:
40156102
Block id:
1d0f849902cbaba4bc4f83b535e01c2a209918d4f51652c22648c55d0c241e09
Timestamp:
Wednesday 2 November 2022 at 08:43:30 UTC
()
Proposer:
Authorizers:
Gas used:
46