Flow price: --
d64c4f583cf56c5e380bc68d91e74e6b67b498a4248977e3742f217fa390415e

Transaction

Hash: d64c4f583cf56c5e380bc68d91e74e6b67b498a4248977e3742f217fa390415e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d64c4f583cf56c5e380bc68d91e74e6b67b498a4248977e3742f217fa390415e: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:
d64c4f583cf56c5e380bc68d91e74e6b67b498a4248977e3742f217fa390415e
Status:
ERROR
Block height:
39867745
Block id:
91d0d87dcde36ed56f41c5241bbb0bafc401b6dba14d2938a413c3db9ae31f3e
Timestamp:
Friday 28 October 2022 at 12:55:31 UTC
()
Proposer:
Authorizers:
Gas used:
49