Note the vote was withdrawn, not actually voted against. They’re pushing this for a later date because there was no majority.
“The EU Council did not make a decision on chat control today, as the agenda item was removed due to the lack of a majority, (…)
Belgium’s draft law, (…) was instead postponed indefinitely. (…) Belgium cannot currently present a proposal that would gain a majority. In July, the Council Presidency will transfer from Belgium to Hungary, which has stated its intention to advance negotiations on chat control as part of its work program.
Note the vote was withdrawn, not actually voted against. They’re pushing this for a later date because there was no majority.