Flow price: --
805e9f22a7f3c82aeceb9243cae72069317f9f65ba1e285a0289217a23eb7199

Transaction

Hash: 805e9f22a7f3c82aeceb9243cae72069317f9f65ba1e285a0289217a23eb7199
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 805e9f22a7f3c82aeceb9243cae72069317f9f65ba1e285a0289217a23eb7199:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
805e9f22a7f3c82aeceb9243cae72069317f9f65ba1e285a0289217a23eb7199
Status:
ERROR
Block height:
39986223
Block id:
4adf4257b98b0cf15c2ee0aec645ba4e42028327a89d4ca2a74ffb8ae2b5916b
Timestamp:
Sunday 30 October 2022 at 12:15:06 UTC
()
Proposer:
Authorizers:
Gas used:
46