Flow price: --
7af77c9985236902f2e65c7753546f631b3b5dba5222a18736c41faa80a3b41f

Transaction

Hash: 7af77c9985236902f2e65c7753546f631b3b5dba5222a18736c41faa80a3b41f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7af77c9985236902f2e65c7753546f631b3b5dba5222a18736c41faa80a3b41f: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:
7af77c9985236902f2e65c7753546f631b3b5dba5222a18736c41faa80a3b41f
Status:
ERROR
Block height:
39937923
Block id:
740f3fdc33262e2eaffcdbae6fccf01f1fcb5098dbb12c1ac9d8f35e330739aa
Timestamp:
Saturday 29 October 2022 at 17:01:36 UTC
()
Proposer:
Authorizers:
Gas used:
46