Flow price: --
8527899439d0f1f1f5660b97c0b5e30d54fa940632b423a010d2527db81dac25

Transaction

Hash: 8527899439d0f1f1f5660b97c0b5e30d54fa940632b423a010d2527db81dac25
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8527899439d0f1f1f5660b97c0b5e30d54fa940632b423a010d2527db81dac25:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8527899439d0f1f1f5660b97c0b5e30d54fa940632b423a010d2527db81dac25
Status:
ERROR
Block height:
39909166
Block id:
238a672c0613feaec040637a1eccdca3ac6cce16404d21fa4b7754bc1f6336ac
Timestamp:
Saturday 29 October 2022 at 05:25:31 UTC
()
Proposer:
Authorizers:
Gas used:
46