Flow price: --
1c55180c984dcc467468470f09abaf86a0cd7a82c740a481e4387f19687a15a7

Transaction

Hash: 1c55180c984dcc467468470f09abaf86a0cd7a82c740a481e4387f19687a15a7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1c55180c984dcc467468470f09abaf86a0cd7a82c740a481e4387f19687a15a7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1c55180c984dcc467468470f09abaf86a0cd7a82c740a481e4387f19687a15a7
Status:
ERROR
Block height:
40117521
Block id:
76b79adc09af099e74fd4ac31d6458a018a273a63f0d88ea71312ad158ec4693
Timestamp:
Tuesday 1 November 2022 at 17:00:53 UTC
()
Proposer:
Authorizers:
Gas used:
47