Flow price: --
3521efb0956b3655f1870bc142cba12c8be61fd6c415a0d6120f9e6f9444880c

Transaction

Hash: 3521efb0956b3655f1870bc142cba12c8be61fd6c415a0d6120f9e6f9444880c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3521efb0956b3655f1870bc142cba12c8be61fd6c415a0d6120f9e6f9444880c: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:
3521efb0956b3655f1870bc142cba12c8be61fd6c415a0d6120f9e6f9444880c
Status:
ERROR
Block height:
39882102
Block id:
47541e108a24bf8276c40e9ebdda1a7e8bdb1c4db46b74b811d4b8cdb89537f5
Timestamp:
Friday 28 October 2022 at 18:40:04 UTC
()
Proposer:
Authorizers:
Gas used:
46