lost all inputaxis when publish my asset pack to marketplace and import to any project

i had update my project to marketplace and when i download it back to another project two time and chooice and readd input axis to project seeting but still “Input Axis Event references unknown Axis ‘Look UpOrDownGamepad’ for InputAxis Look UpOrDownGamepad” and all input axis had lost

just like imagen.
how can i fix it ?before my project have to use a blueprint character to show some function .but my blueprint can not wall with the input axis .