Flow price: --
1e71dbe0b2f86642f77279d49c14b405e3903e1af9c25e30e5fdc909fec5fd9c

Transaction

Hash: 1e71dbe0b2f86642f77279d49c14b405e3903e1af9c25e30e5fdc909fec5fd9c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1e71dbe0b2f86642f77279d49c14b405e3903e1af9c25e30e5fdc909fec5fd9c: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:
1e71dbe0b2f86642f77279d49c14b405e3903e1af9c25e30e5fdc909fec5fd9c
Status:
ERROR
Block height:
40146773
Block id:
688b818eb2e74f217053cda124247b04ea9aec1b5a31b5585dff26933bce713c
Timestamp:
Wednesday 2 November 2022 at 04:55:31 UTC
()
Proposer:
Authorizers:
Gas used:
47