Flow price: --
a753f91c196a13b2e3baa27653180f78b6467b0cd7917f3efc844746f90fa552

Transaction

Hash: a753f91c196a13b2e3baa27653180f78b6467b0cd7917f3efc844746f90fa552
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a753f91c196a13b2e3baa27653180f78b6467b0cd7917f3efc844746f90fa552:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a753f91c196a13b2e3baa27653180f78b6467b0cd7917f3efc844746f90fa552
Status:
ERROR
Block height:
39731764
Block id:
807ed767d4131030362786bddcceea0b31f40fe80559bb7e971219a9a421a731
Timestamp:
Wednesday 26 October 2022 at 06:05:48 UTC
()
Proposer:
Authorizers:
Gas used:
46