Question3Replies194Views TakeshiI5816 Member since 2019 68 posts Ito Posted: 11 months agoLast activity: 11 months 2 weeks ago Creating segmentHi,All.I'm creating a segment on Pega Marketing.I want to create a segment by using property which I created, EmailOptInI'm trying to use this property when creating segment but error message appear.to use custom property,I need to do another setting??? Pega Marketing ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Posted: 11 months agoTakeshiI5816 Ito replied to TakeshiI5816please help me!! Posted: 11 months agoUpdated: 11 months agoTakeshiI5816 Ito replied to TakeshiI5816I can solve this question by optimizing custom property. However,I don't know it's correct way to solve this question. If this way is not correct,please tell me correct way. In addition,error message shows following What's happen when following error message appear?? This record has 2 error(s) in 1 place(s) . Error preparing segment for SQL generation Trying to save an invalid page: page is not valid Posted: 11 months agoPaulGentile_GCS PEGA replied to TakeshiI5816Please refer to Marketing User Guide - "For best performance, optimize the properties which you want to use as Segment criteria."