Flow price: --
69e0ab99251753cb6172088e7d9edf98bf549f13323e7b47d49f00493d03b99d

Transaction

Hash: 69e0ab99251753cb6172088e7d9edf98bf549f13323e7b47d49f00493d03b99d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 69e0ab99251753cb6172088e7d9edf98bf549f13323e7b47d49f00493d03b99d: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:
69e0ab99251753cb6172088e7d9edf98bf549f13323e7b47d49f00493d03b99d
Status:
ERROR
Block height:
39844827
Block id:
b853af1a05c44d98ad570c4e7f4223b4d4d58c22da7696fc24332595697dcba6
Timestamp:
Friday 28 October 2022 at 03:40:28 UTC
()
Proposer:
Authorizers:
Gas used:
50