Flow price: --
387fe148f7b2bc7a27b28acfd4443b11929153e2bd09916b31e88c27dee3872a

Transaction

Hash: 387fe148f7b2bc7a27b28acfd4443b11929153e2bd09916b31e88c27dee3872a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 387fe148f7b2bc7a27b28acfd4443b11929153e2bd09916b31e88c27dee3872a: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:
387fe148f7b2bc7a27b28acfd4443b11929153e2bd09916b31e88c27dee3872a
Status:
ERROR
Block height:
40055522
Block id:
8cff309b1b5430a3873b8d69d2ca5e9be203cdb72414b14295115b4b8b59cede
Timestamp:
Monday 31 October 2022 at 16:00:27 UTC
()
Proposer:
Authorizers:
Gas used:
49