Flow price: --
8c569344925e7788a920ae707094ef7da792d97a2aa44a7370a6ee7c4e1cfca7

Transaction

Hash: 8c569344925e7788a920ae707094ef7da792d97a2aa44a7370a6ee7c4e1cfca7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8c569344925e7788a920ae707094ef7da792d97a2aa44a7370a6ee7c4e1cfca7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8c569344925e7788a920ae707094ef7da792d97a2aa44a7370a6ee7c4e1cfca7
Status:
ERROR
Block height:
39739176
Block id:
ec8e7e9a5cd0ef013ed1c08bb72e6b99e5fcbfdf4627751111f8d75951fe0275
Timestamp:
Wednesday 26 October 2022 at 09:04:55 UTC
()
Proposer:
Authorizers:
Gas used:
47