Flow price: --
71728bf8b7cf18ced800ce4c693101d403a61f08f51bcbe77639b9b929e77f16

Transaction

Hash: 71728bf8b7cf18ced800ce4c693101d403a61f08f51bcbe77639b9b929e77f16
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71728bf8b7cf18ced800ce4c693101d403a61f08f51bcbe77639b9b929e77f16:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71728bf8b7cf18ced800ce4c693101d403a61f08f51bcbe77639b9b929e77f16
Status:
ERROR
Block height:
40102741
Block id:
b424ac903e6f516bd150f539ce328c533764695514c3482b666d235638210d9a
Timestamp:
Tuesday 1 November 2022 at 11:01:38 UTC
()
Proposer:
Authorizers:
Gas used:
46