Flow price: --
f0035eb44d0f749c32f763947c641bfac9e58d7048237cd873f0e3b4fda91ee9

Transaction

Hash: f0035eb44d0f749c32f763947c641bfac9e58d7048237cd873f0e3b4fda91ee9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f0035eb44d0f749c32f763947c641bfac9e58d7048237cd873f0e3b4fda91ee9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f0035eb44d0f749c32f763947c641bfac9e58d7048237cd873f0e3b4fda91ee9
Status:
ERROR
Block height:
39803521
Block id:
962a6dc26edaea5fe0f54b6b590b8208d23c7165f7931256ab332ab0bb289926
Timestamp:
Thursday 27 October 2022 at 10:59:37 UTC
()
Proposer:
Authorizers:
Gas used:
50