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								Hi 
 I am using mike21 and i need to add a weir in the hydrodynamics simulation (picture 1) but when i do that i got an error  structure definition line is not whithin the domain ( picture 2), WHICH IS NOT TRUE! because the line i have chosen for weir defination is within the bathymetry, the bad part is where ever i've defined the weir i got this error. ( i have tried lots of other points)
 i have also attach the bathymety photo so that it could help you for better understanding
 can you help me please?
 
 Thanks
 
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								Hi Mathieu
 
 Thanks for reminding me about having only one value in both j and k columns, i did that but still i get an abnormal result. so i have inserted all pictures of my simulation tab into a pdf file, i will appreciate you if you take a look at the pictures and help me to figure out what the problem is...
 
 thanks
 
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								It seemd the srror have disapear but now ahen i want to get the result for a whole year for 3931200 time steps for only one point, it gives me only one time step result
 
 i have attached the picture of both
 
 thanks for your concern
 
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								This error ( wrong file extension) happens when i choose a path for result folder as a custom location like a folder in my pc which i named "result" and i also when in a result folder i choose default location.
 but when i choose a result folder, custom location which i named it "result.dfs0" it gives me different error: unable to create output file!
 
 why is this happening? :(
 
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								Hi
 I am a mike21 new user, i have imported all data needed and i want to get type 0 result which is point series result, i got no error until when i run the program the simulation will be finished in a second and it gives me this error:
 
 fhdst2: wrong file extension
 Abnormal  completion
 
 any one knows what is the problem?