Flow price: --
8add02bd6224b3261407f4065872177334e26914c83a77eaf1998b0e9a4e6e92

Transaction

Hash: 8add02bd6224b3261407f4065872177334e26914c83a77eaf1998b0e9a4e6e92
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8add02bd6224b3261407f4065872177334e26914c83a77eaf1998b0e9a4e6e92:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8add02bd6224b3261407f4065872177334e26914c83a77eaf1998b0e9a4e6e92
Status:
ERROR
Block height:
39924312
Block id:
e0567cd20319792c6e83934f8bfa85c3a2deb5b1e35d138d1c8f7656f38fc294
Timestamp:
Saturday 29 October 2022 at 11:31:06 UTC
()
Proposer:
Authorizers:
Gas used:
48