"your workspace contains elements that didn't compile properly" whenever i try to make a gui

Im trying to make a gui and this error keeps poppin up. Any help? 

Heres the log:

Task :compileJava FAILED
C:\Users\aldon\MCreatorWorkspaces\galaxies\src\main\java\net\mcreator\galaxies\client\gui\JawaTrade1Screen.java:69: error: unclosed string literal this.font.draw(poseStack, "---+"",
^
1 error
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':compileJava'.
> Compilation failed; see the compiler error output for details.
* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 1s
1 actionable task: 1 executed

BUILD FAILED