Flow price: --
4992450063bc9c44a1b4624ff84fc21e5fedccdd1600fd778044088a05abe56b

Transaction

Hash: 4992450063bc9c44a1b4624ff84fc21e5fedccdd1600fd778044088a05abe56b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4992450063bc9c44a1b4624ff84fc21e5fedccdd1600fd778044088a05abe56b: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:
4992450063bc9c44a1b4624ff84fc21e5fedccdd1600fd778044088a05abe56b
Status:
ERROR
Block height:
39785679
Block id:
a0e5c580b28c4fb280e5b6347b2183bc7415da73455ab69bc5cbd444a608793f
Timestamp:
Thursday 27 October 2022 at 03:49:22 UTC
()
Proposer:
Authorizers:
Gas used:
50