Flow price: --
d0d491016f1bb5978beefbd155cdd81e37f03903ce581c413b61465974c5e7f5

Transaction

Hash: d0d491016f1bb5978beefbd155cdd81e37f03903ce581c413b61465974c5e7f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d0d491016f1bb5978beefbd155cdd81e37f03903ce581c413b61465974c5e7f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d0d491016f1bb5978beefbd155cdd81e37f03903ce581c413b61465974c5e7f5
Status:
ERROR
Block height:
39819764
Block id:
c409669320170d1f13f259e668d7eb41f13231b44283910da5a8f8a87cb3cf22
Timestamp:
Thursday 27 October 2022 at 17:34:16 UTC
()
Proposer:
Authorizers:
Gas used:
49