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?REDIM'D ARRAY ERROR
Category
Reference/BASIC Error Messages

Topic
Arrays can only have their dimensions set once. This error occurs if a DIM statement is used on an array for a second time, or if a DIM statement is used on a previously referenced array (BASIC automatically executes DIM statements for such arrays, with a default dimension of 10). An array can only be redimensioned after a CLR statement (which resets all variables) is executed first.

Examples
10 DIM A(20)
20 A(15)=1
30 DIM A(25)
Causes the error

10 A(5)=5
20 DIM A(15)
Causes the error

ERR$ error number
19



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