Flow price: --
4eaee154f3bdc5cd85f37b73c20747898448ca86450e147a841d068b18c1ee31

Transaction

Hash: 4eaee154f3bdc5cd85f37b73c20747898448ca86450e147a841d068b18c1ee31
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4eaee154f3bdc5cd85f37b73c20747898448ca86450e147a841d068b18c1ee31:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4eaee154f3bdc5cd85f37b73c20747898448ca86450e147a841d068b18c1ee31
Status:
ERROR
Block height:
39727370
Block id:
3f9f34ed541e6f38f55738f83f8619294a1fa5f044462392e0e5af34dba61603
Timestamp:
Wednesday 26 October 2022 at 04:20:02 UTC
()
Proposer:
Authorizers:
Gas used:
46