Flow price: --
897d19aeb93f16e226179728ae66ff2075346a3f74c7cbd02f33ee21f7059fef

Transaction

Hash: 897d19aeb93f16e226179728ae66ff2075346a3f74c7cbd02f33ee21f7059fef
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 897d19aeb93f16e226179728ae66ff2075346a3f74c7cbd02f33ee21f7059fef: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:
897d19aeb93f16e226179728ae66ff2075346a3f74c7cbd02f33ee21f7059fef
Status:
ERROR
Block height:
40167206
Block id:
4d7e7729975829a92c35f888835d7d15cbb9fcdc7a734aa98dccd25222a395d3
Timestamp:
Wednesday 2 November 2022 at 13:12:45 UTC
()
Proposer:
Authorizers:
Gas used:
49