qt - QObject connect: Cannot queue arguments of type 'QItemSelection' -


i got following message around @ time 23:59:59 pass next day. have no idea (since codes written others) come from. suggest how find out problem? thanks!

qobject::connect: cannot queue arguments of type 'qitemselection' (make sure 'qitemselection' registered using qregistermetatype().) qobject::connect: cannot queue arguments of type 'qitemselection' (make sure 'qitemselection' registered using qregistermetatype().) qobject::connect: cannot queue arguments of type 'qitemselection' (make sure 'qitemselection' registered using qregistermetatype().)

use following outside of namespace:

q_declare_metatype(namespace::qitemselection)

documentation


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