Flow price: --
f15a78dfa6e7616bf000ef3a528d91ccb72e95820f6e1b25848bc63684daaca2

Transaction

Hash: f15a78dfa6e7616bf000ef3a528d91ccb72e95820f6e1b25848bc63684daaca2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f15a78dfa6e7616bf000ef3a528d91ccb72e95820f6e1b25848bc63684daaca2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f15a78dfa6e7616bf000ef3a528d91ccb72e95820f6e1b25848bc63684daaca2
Status:
ERROR
Block height:
39737213
Block id:
53118474095594334e42004cb43a27676ede7b04ddf13505bc14cc1d6b9d55a9
Timestamp:
Wednesday 26 October 2022 at 08:17:35 UTC
()
Proposer:
Authorizers:
Gas used:
47