Flow price: --
8674e854aeca80e04153e1a07550444902e9dc59ea9ea52c7b9dd8c8ea32507a

Transaction

Hash: 8674e854aeca80e04153e1a07550444902e9dc59ea9ea52c7b9dd8c8ea32507a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8674e854aeca80e04153e1a07550444902e9dc59ea9ea52c7b9dd8c8ea32507a: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:
8674e854aeca80e04153e1a07550444902e9dc59ea9ea52c7b9dd8c8ea32507a
Status:
ERROR
Block height:
40131380
Block id:
7d6f0e6dedea65de0e6af54121030fe26e012917db032d7540df222ff704a2eb
Timestamp:
Tuesday 1 November 2022 at 22:40:36 UTC
()
Proposer:
Authorizers:
Gas used:
50