No constructor com.mathwo​rks.toolbo​x.database​.sqlExec with matching signature found

hi all!

i have this error

???No constructor com.mathworks.toolbox.database.sqlExec with matching signature found

How can i fix it? im desesperate!!!

many thanks

[Friedrich]

Hi,

what does

which  com.mathworks.toolbox.database.sqlExec -all

give for you? What do you call and how do you call it to get that error?