Flow price: --
8c04898a99e314be40dc24d4b13ac5221770f17de05c4f1fff5a95785911b9b4

Transaction

Hash: 8c04898a99e314be40dc24d4b13ac5221770f17de05c4f1fff5a95785911b9b4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8c04898a99e314be40dc24d4b13ac5221770f17de05c4f1fff5a95785911b9b4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8c04898a99e314be40dc24d4b13ac5221770f17de05c4f1fff5a95785911b9b4
Status:
ERROR
Block height:
39901518
Block id:
57ed0c33e6ad88346d05a12e9fc78a34008ee80ceb1cf0a0f0b9d88fe9144655
Timestamp:
Saturday 29 October 2022 at 02:22:25 UTC
()
Proposer:
Authorizers:
Gas used:
59