Flow price: --
478387d3b25e2564cd5fbd39c9ea7db09dd7ea1d41ce77cc4c92d0a79bbbea9e

Transaction

Hash: 478387d3b25e2564cd5fbd39c9ea7db09dd7ea1d41ce77cc4c92d0a79bbbea9e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 478387d3b25e2564cd5fbd39c9ea7db09dd7ea1d41ce77cc4c92d0a79bbbea9e: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:
478387d3b25e2564cd5fbd39c9ea7db09dd7ea1d41ce77cc4c92d0a79bbbea9e
Status:
ERROR
Block height:
39939654
Block id:
94ed42eae99b3dd52647a0a9ae921377f20bf7bcfe4070adf869e7fd07cc08c9
Timestamp:
Saturday 29 October 2022 at 17:43:40 UTC
()
Proposer:
Authorizers:
Gas used:
49