Flow price: --
2c463083029f96281117e8d94cdaa7d594a7410a8092e500c319e0ff2f8d6493

Transaction

Hash: 2c463083029f96281117e8d94cdaa7d594a7410a8092e500c319e0ff2f8d6493
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2c463083029f96281117e8d94cdaa7d594a7410a8092e500c319e0ff2f8d6493:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2c463083029f96281117e8d94cdaa7d594a7410a8092e500c319e0ff2f8d6493
Status:
ERROR
Block height:
39738031
Block id:
bcddd00f99383caff9fb9632b5085169d00d8284975cf1fd12491d716d40023e
Timestamp:
Wednesday 26 October 2022 at 08:37:13 UTC
()
Proposer:
Authorizers:
Gas used:
46