Flow price: --
9a9fbe55cfa8f222164895f0c168065477cb3957ea3f3a87d29e00e31743662b

Transaction

Hash: 9a9fbe55cfa8f222164895f0c168065477cb3957ea3f3a87d29e00e31743662b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a9fbe55cfa8f222164895f0c168065477cb3957ea3f3a87d29e00e31743662b: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:
9a9fbe55cfa8f222164895f0c168065477cb3957ea3f3a87d29e00e31743662b
Status:
ERROR
Block height:
39806983
Block id:
99e07e6eea976e15fd194e4c802c7ef5dc15759d010e69a597e378129ef259dd
Timestamp:
Thursday 27 October 2022 at 12:24:31 UTC
()
Proposer:
Authorizers:
Gas used:
46