Flow price: --
94e7c9a6ee4fdb150fa761dfc20fcaeeedb213c920b05c328e981dc429866b1c

Transaction

Hash: 94e7c9a6ee4fdb150fa761dfc20fcaeeedb213c920b05c328e981dc429866b1c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 94e7c9a6ee4fdb150fa761dfc20fcaeeedb213c920b05c328e981dc429866b1c: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:
94e7c9a6ee4fdb150fa761dfc20fcaeeedb213c920b05c328e981dc429866b1c
Status:
ERROR
Block height:
40122571
Block id:
8d2707d54dc9aa8be3610d5490688585db185b9864cea25cabe7421815a49b0e
Timestamp:
Tuesday 1 November 2022 at 19:03:32 UTC
()
Proposer:
Authorizers:
Gas used:
47