Trying to use the insert code option and the toString method

Attempted to add a string to the method and when attempting to add, there space remained blank and instead showed an error in the application.

<record>
  <date>2022-02-01T09:36:03</date>
  <millis>1643726163274</millis>
  <sequence>3626</sequence>
  <level>700</level>
  <thread>148</thread>
  <message>UI_USER_CONFIGURATION</message>
  <key>UI_USER_CONFIGURATION</key>
  <catalog>org.netbeans.modules.uihandler.Bundle</catalog>
  <param>Mac OS X, 10.16, x86_64</param>
  <param>OpenJDK 64-Bit Server VM, 25.282-b08, OpenJDK Runtime Environment, 1.8.0_282-b08</param>
  <param>Apache NetBeans IDE 12.6</param>
  <param></param>
  <param>NoSuchMethodError: java.nio.CharBuffer.flip()Ljava/nio/CharBuffer;</param>
  <param><Please provide a description of the problem or the steps to reproduce></param>
  <param>*********</param>
</record>