Error: BadMatch --> what's it?

Hello, i have an application that show me into the consolle this message:

Code:

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X Error: BadMatch (invalid parameter attributes) 8
  Major opcode: 59 (X_SetClipRectangles)
  Resource id:  0x2e0126a
X Error: BadMatch (invalid parameter attributes) 8
  Major opcode: 59 (X_SetClipRectangles)
  Resource id:  0x2e0126b

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in fact, when i see this error i had just gone into a QStackedWidget.
My application is made in this way:
i have a QTreeWidget, a splitter and one QStackedWidget.
Thanks

It's an X server error, nothing serious. Without seeing any code we won't be able to help, but I wouldn't care about it too much.

hello Wysota.........
I have the same problem of X error
X Error: BadMatch (invalid parameter attributes) 8
Major opcode: 1 (X_CreateWindow)
Resource id: 0x340027f
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Extension: 154 (RENDER)
Minor opcode: 4 (RenderCreatePicture)
Resource id: 0x3400316
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400316
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400316
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400316
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400316
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 1 (X_CreateWindow)
Resource id: 0x3400316
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Extension: 154 (RENDER)
Minor opcode: 4 (RenderCreatePicture)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 12 (X_ConfigureWindow)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 12 (X_ConfigureWindow)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 12 (X_ConfigureWindow)
Resource id: 0x3400316
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 8 (X_MapWindow)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400318
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400316
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 8 (X_MapWindow)
Resource id: 0x3400316
X Error: BadWindow (invalid Window parameter) 3
Major opcode: 2 (X_ChangeWindowAttributes)
Resource id: 0x3400316
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Major opcode: 62 (X_CopyArea)
Resource id: 0x3400316
X Error: BadDrawable (invalid Pixmap or Window parameter) 9
Major opcode: 62 (X_CopyArea)
Resource id: 0x3400318
Can you tell me how will it remove and whts impact of it on our application

Hard to say without seeing any code.

ok......
But I solved my problem ,and after tht I can say this problem arises when you use window id of a QWidget in two different mannar and tht's y they destroy each othr and X server error produce.........:)