error in APO ATP check sales order

[Former Member]

While executing GATP chesck in the R/3 system we are getting this message.

Error in calling up function 'BAPI_APOATP_CHECK' in APO server 'C16CLNT300': Screen output without connection to user.

Please help us in this issue.

Thanks &Regards,

Rajesh.A

[Former Member · Accepted solution]

Check the following settings.

1.SM59 for ur logical system try out the remote connection.

2.In BF11 check whether you have maintained the ND-APO plug in.

2.Check the check mode in ur product master and alos the checking instruction setings.

[Former Member]

check if the ALE User that is used by R3 to do the ATO check has the right authorizations and the password is right

. you need to look at the best practices doc for GATP and that would tell you all the steps involved