Android Question error on MainPage

When compiling a project, I get this error:

B4A Version: 13.40
Parse code. (0.21s)

Java Version: 19
Building folder structure. (0.07s)
Running custom action. (0.05s)
Compiling code. Error
Error compiling the program.

Error description: Unknown member: initialize
An error occurred on line: 79
MainPage.Initialize
Word: initialize
I don't have any line: MainPage.Initialize
Please, if you can help me, I would be grateful.

Regards.