Flow price: --
19cd4c7ffaa6833a4a2db3cee1817816d6ee9d865d9eeb1aeb405f78ebad69f9

Transaction

Hash: 19cd4c7ffaa6833a4a2db3cee1817816d6ee9d865d9eeb1aeb405f78ebad69f9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19cd4c7ffaa6833a4a2db3cee1817816d6ee9d865d9eeb1aeb405f78ebad69f9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
19cd4c7ffaa6833a4a2db3cee1817816d6ee9d865d9eeb1aeb405f78ebad69f9
Status:
ERROR
Block height:
40167098
Block id:
2eba9b21169a76f0d3cfc4687a74d6463c92abdafc3b74c2d98130d338e929bd
Timestamp:
Wednesday 2 November 2022 at 13:10:00 UTC
()
Proposer:
Authorizers:
Gas used:
50