Flow price: --
fdff40063db7594f9c9a57b7e4cc0c9ae84a98b17054d388d08a3e29233450e5

Transaction

Hash: fdff40063db7594f9c9a57b7e4cc0c9ae84a98b17054d388d08a3e29233450e5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fdff40063db7594f9c9a57b7e4cc0c9ae84a98b17054d388d08a3e29233450e5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fdff40063db7594f9c9a57b7e4cc0c9ae84a98b17054d388d08a3e29233450e5
Status:
ERROR
Block height:
39994657
Block id:
c00af1e8906718efd7ae929dd8afb958feee7c60014ab75f585d1bff304afb6f
Timestamp:
Sunday 30 October 2022 at 15:37:06 UTC
()
Proposer:
Authorizers:
Gas used:
46