Flow price: --
9c1f9d7b78c5127a90fd138e2e16bd14e09418adbb61e967d173f558e4a4b889

Transaction

Hash: 9c1f9d7b78c5127a90fd138e2e16bd14e09418adbb61e967d173f558e4a4b889
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c1f9d7b78c5127a90fd138e2e16bd14e09418adbb61e967d173f558e4a4b889:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9c1f9d7b78c5127a90fd138e2e16bd14e09418adbb61e967d173f558e4a4b889
Status:
ERROR
Block height:
40055972
Block id:
2029b98b9ac0d855af737073a300da1ba4877d2dd3ecfea58481a3d1ec206898
Timestamp:
Monday 31 October 2022 at 16:11:36 UTC
()
Proposer:
Authorizers:
Gas used:
50