Flow price: --
e29a3165cf60874e71fc34a9589e9e5f05140dda3258329ca2fea15002046300

Transaction

Hash: e29a3165cf60874e71fc34a9589e9e5f05140dda3258329ca2fea15002046300
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e29a3165cf60874e71fc34a9589e9e5f05140dda3258329ca2fea15002046300:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e29a3165cf60874e71fc34a9589e9e5f05140dda3258329ca2fea15002046300
Status:
ERROR
Block height:
39730466
Block id:
673098d4dfd9be3076fbe2c5f060dcbae0da840acd04a9d964f8f35a1ab0e8af
Timestamp:
Wednesday 26 October 2022 at 05:34:51 UTC
()
Proposer:
Authorizers:
Gas used:
52