Flow price: --
c947c09d5656d983f3bc972e60499f5dc15bb0dfdba5a6eac399008f97a20157

Transaction

Hash: c947c09d5656d983f3bc972e60499f5dc15bb0dfdba5a6eac399008f97a20157
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c947c09d5656d983f3bc972e60499f5dc15bb0dfdba5a6eac399008f97a20157:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c947c09d5656d983f3bc972e60499f5dc15bb0dfdba5a6eac399008f97a20157
Status:
ERROR
Block height:
40056967
Block id:
ad8e482e6c25783877a81319e80a6a72ec349651bbc3c56b8f60847f20fa85e7
Timestamp:
Monday 31 October 2022 at 16:36:05 UTC
()
Proposer:
Authorizers:
Gas used:
47