Flow price: --
a244e2ee882410d71451e7a480dc5b0048a579f152f51655dffd3c45e37ea15c

Transaction

Hash: a244e2ee882410d71451e7a480dc5b0048a579f152f51655dffd3c45e37ea15c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a244e2ee882410d71451e7a480dc5b0048a579f152f51655dffd3c45e37ea15c: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:
a244e2ee882410d71451e7a480dc5b0048a579f152f51655dffd3c45e37ea15c
Status:
ERROR
Block height:
39949959
Block id:
bd0280635df779533efa83561ce5932316cb7fca011a0692b38a945ec4cab5a4
Timestamp:
Saturday 29 October 2022 at 21:49:01 UTC
()
Proposer:
Authorizers:
Gas used:
47