CompletionException: java.lang.IllegalArgumentException: URL must be a valid http(s) or attachment url.

[sentry-io]

Sentry Issue: REE6-JAVA-2N

IllegalArgumentException: URL must be a valid http(s) or attachment url.
    at net.dv8tion.jda.internal.utils.Checks.check(Checks.java:62)
    at net.dv8tion.jda.api.EmbedBuilder.urlCheck(EmbedBuilder.java:813)
    at net.dv8tion.jda.api.EmbedBuilder.setTitle(EmbedBuilder.java:298)
    at de.presti.ree6.commands.impl.mod.EmbedSender.onPerform(EmbedSender.java:55)
    at de.presti.ree6.commands.interfaces.ICommand.lambda$onASyncPerform$0(ICommand.java:35)
...
(7 additional frame(s) were not displayed)

CompletionException: java.lang.IllegalArgumentException: URL must be a valid http(s) or attachment url.
    at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315)
    at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320)
    at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1807)
    at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796)
    at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)
...
(4 additional frame(s) were not displayed)