[SOLVED] Curios error "unit not found: Classes" when renaming a button
lazarus / 10-Designer

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Joe · 2016-02-23 19:19

I'd just installed Lazarus 1.6 with Fpc 3.0.0 (including source) to my
32 bit kubuntu 14.04 from the provided debian packets:
lazarus_1.6-0_i386.debfpc-
src_3.0.0-151205_i386.debfpc_3.0.0-151205_i386.deb
Creating a new application project with an empty form, build & start
works.
Now I'd added a button to my form, which will be named to "Button1" by
default. Navigating to the Objectinspector and changing the button's
name to e.g. "Hello" will result in an error message:
Quote    Die Variable im Quelltext kann nicht umbenannt werden.
    Fehler: Unit nicht gefunden: Classes
    Siehe Meldungen

What could be the reason for this misbehaviour?

I'd took a look into LCLClasses.pp were I find:
Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i uses
Classes, WSLCLClasses, WSReferences, LCLType, LCLProc;But in my file
system, the `classes.ppu` is written completely lower case.
A dumb tryout by creating a symlink for a `Classes.ppu` won't help.

Any suggestions?

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molly · 2016-02-23 19:23

Quote from: Joe on February 23, 2016, 08:19:28 pm...
What could be the reason for this misbehaviour?
...
Any suggestions?
If not mistaken then that means lazarus is unable to locate your fpc
sources directory.

There is a menu option, under tools named "rescan fpc source
directory" that allows you to rescan for fpc directory. Please give
that a try.

edit: inserted correct menu-item location.

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balazsszekely · 2016-02-23 19:29

Tools-->Rescan FPC Source Directory

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molly · 2016-02-23 19:32

Thanks GetMem.

I forgot i can look it up in online wiki as well (on location, so no
access to lazarus).

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Joe · 2016-02-23 20:37

Great, this helped!