Flow price: --
7013abf66ff97f88aebe5daed55f9f07587983002afdd3a2f63f385e97d5e857

Transaction

Hash: 7013abf66ff97f88aebe5daed55f9f07587983002afdd3a2f63f385e97d5e857
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7013abf66ff97f88aebe5daed55f9f07587983002afdd3a2f63f385e97d5e857:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7013abf66ff97f88aebe5daed55f9f07587983002afdd3a2f63f385e97d5e857
Status:
ERROR
Block height:
40124724
Block id:
5848ab73d759812b5f19b891d3ece49ccc1a48c4a1076dd10d48e82a73146ad2
Timestamp:
Tuesday 1 November 2022 at 19:56:36 UTC
()
Proposer:
Authorizers:
Gas used:
50