Flow price: --
bcacfdf3d9f226ac4ef1a52b40b55b3b4d6d065989bf8e5a888cfedbb7f3e94e

Transaction

Hash: bcacfdf3d9f226ac4ef1a52b40b55b3b4d6d065989bf8e5a888cfedbb7f3e94e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bcacfdf3d9f226ac4ef1a52b40b55b3b4d6d065989bf8e5a888cfedbb7f3e94e: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:
bcacfdf3d9f226ac4ef1a52b40b55b3b4d6d065989bf8e5a888cfedbb7f3e94e
Status:
ERROR
Block height:
39876537
Block id:
ebdac9070d042303be697a8e2ab4938b46904aea54f26aa7f0c40f5471d7f740
Timestamp:
Friday 28 October 2022 at 16:26:29 UTC
()
Proposer:
Authorizers:
Gas used:
50