Why does the IDE allow multiple compilation programs when all are saved

[853103174]

Describe the bug
Why does the IDE allow multiple compilation programs when all are saved

What triggered the plugin
CTRL+S

Versions
IntelliJ IDEA 2023.2.2 (Ultimate Edition)
Build #IU-232.9921.47, built on September 13, 2023
授权给 Trial User
订阅有效期至 2024年3月13日。
Runtime version: 17.0.8+7-b1000.22 amd64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Windows 10.0
GC: G1 Young Generation, G1 Old Generation
Memory: 2048M
Cores: 4
Non-Bundled Plugins:
com.intellij.zh (232.307)
gudqs7.github.io.getter-setter-postfix (1.1.6)
String Manipulation (9.12.0)
io.zhile.research.ide-eval-resetter (2.3.5)
com.dubreuia.tool (2.6.2)
GrepConsole (12.22.1-IJ2021.1)
com.ibeetl.intellij.support (1.1.1)
izhangzhihao.rainbow.brackets (2023.3.7)
com.xxxtai.coding.SmartInputSourceIntelliJ (5.0.0)
cn.apipost.Apipost-idea-plugin-2.0 (1.0.15)
com.star.easydoc.easy-javadoc (3.7.0)
ai.codegeex.plugin (2.5.1)
mobi.hsz.idea.gitignore (4.5.2)
MavenRunHelper (4.27.1-IJ2022.2)
cn.yiiguxing.plugin.translate (3.5.6)

Kotlin: 232-1.9.0-IJ9921.47