Did you try to give a different name from the original file?
It works if I use the same name as original file, otherwise gives me an error.
In this case I'm trying to save as "ddddd"
Command: _dynpicoords
Enter new value for DYNPICOORDS <1>: 1
Command: _undo
Current settings: Auto = On, Control = All, Combine = Yes, Layer = Yes
Enter the number of operations to undo or [Auto/Control/BEgin/End/Mark/Back] <1>: _m
Command: _select
Select objects: _auto
Select objects: Specify opposite corner: 3 found
Select objects:
Command: _move
Select objects: _p
3 found
Select objects:
Specify base point or [Displacement] <Displacement>:
Specify second point or <use first point as displacement>: 0,0
Command: _move
Select objects: _p
3 found
Select objects:
Specify base point or [Displacement] <Displacement>: 0,0,0
Specify second point or <use first point as displacement>: @0,0,1e99
Command: move
Select objects: _p
3 found
Select objects:
Specify base point or [Displacement] <Displacement>: 0,0,0
Specify second point or <use first point as displacement>: @0,0,-1e99
Command: _zoom
Specify corner of window, enter a scale factor (nX or nXP), or
[All/Center/Dynamic/Extents/Previous/Scale/Window/Object] <real time>: _o
Select objects: _p
3 found
Select objects:
Command: -overkill
Select objects: _p
3 found
Select objects:
Current settings: Tolerance=0.000001, Ignore=Color, Optimize polylines=No, Combine partial overlap=Yes, Combine end-to-end=Yes
Enter an option to change [Done/Ignore/tOlerance/optimize Plines/combine parTial overlap/combine Endtoend/Associativity] <done>: _p
Optimize segments within plines [segment wiDth/Break polyline/Yes/No] <No>:_n
Current settings: Tolerance=0.000001, Ignore=Color, Optimize polylines=No, Combine partial overlap=Yes, Combine end-to-end=Yes
Enter an option to change [Done/Ignore/tOlerance/optimize Plines/combine parTial overlap/combine Endtoend/Associativity] <done>: _i
Specify properties to ignore when comparing objects...
[None/All/ Color/LAyer/Ltype/ ltScale/LWeight/Thickness/TRansparency/plotSTyle/Material] <Color>:_c
Current settings: Tolerance=0.000001, Ignore=Color, Optimize polylines=No, Combine partial overlap=Yes, Combine end-to-end=Yes
Enter an option to change [Done/Ignore/tOlerance/optimize Plines/combine parTial overlap/combine Endtoend/Associativity] <done>: _d
0 duplicate(s) deleted
0 overlapping object(s) or segment(s) deleted
Command: _dxfout
Enter DXF file name <A:\Library\TCL Blocks.dxf>: ddddd
Current DXF settings: Precision= 16 Format= ASCII Preview= No Version= 2018
Enter decimal places of accuracy (0 to 16) or [Binary/select Objects/Preview/Version] <16>: V
Enter version [R12(LT2)/2000(LT2000)/2004(LT2004)/2007(LT2007)/2010(LT2010)/2013(LT2013)/2018(LT2018)] <2018>: R12
Enter decimal places of accuracy (0 to 16) or [Binary/select Objects/Preview/Version] <16>: O
Select objects: _p 3 found
Select objects:
Enter decimal places of accuracy (0 to 16) or [Binary/Preview/Version] <16>: 16
Error: DXFOUT aborted
Command: _undo
Current settings: Auto = On, Control = All, Combine = Yes, Layer = Yes
Enter the number of operations to undo or [Auto/Control/BEgin/End/Mark/Back] <1>: _b
DXFOUT -OVERKILL ZOOM MOVE MOVE MOVE SELECT
Mark encountered
me but if I want to save with a different one won't work.