Flow price: --
70d01189e3b5a42f69f4774fda6c07f1d84a3d0524681adfca4e2f1709765d9f

Transaction

Hash: 70d01189e3b5a42f69f4774fda6c07f1d84a3d0524681adfca4e2f1709765d9f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 70d01189e3b5a42f69f4774fda6c07f1d84a3d0524681adfca4e2f1709765d9f: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:
70d01189e3b5a42f69f4774fda6c07f1d84a3d0524681adfca4e2f1709765d9f
Status:
ERROR
Block height:
39800884
Block id:
31c0f072a0493714517cde3896babb2d185d6ceb52a1a58199ed8af8d31b035f
Timestamp:
Thursday 27 October 2022 at 09:56:48 UTC
()
Proposer:
Authorizers:
Gas used:
50