https://community.graphisoft.com/t5/Archicad-C-API/Problem-with-BAD-DATABASE/m-p/56043#M7408 <BLOCKQUOTE>Arunas wrote:<BR />Most of the time everything works OK but from time to time I get APIERR_BADDATABASE on ACAPI_Attribute_GetNum and ACAPI_Element_GetNum.[...] What exactly can make the database <I></I><S><I><I></I></I></S>not proper<E></E> for these operations?</BLOCKQUOTE> Perhaps you need to set the active database with APIDb_ChangeCurrentDatabaseID before calling ACAPI_Element_GetNum etc? Wed, 23 May 2007 19:30:06 GMT Ralph Wessel 2007-05-23T19:30:06Z https://community.graphisoft.com/t5/Archicad-C-API/Problem-with-BAD-DATABASE/m-p/56042#M7407 <DIV class="actalk-migrated-content">Basically I am working with AddOn that can synchronize layer/object configuration with external business application on APINotify_Open and APINotify_Save. <BR /><BR />Most of the time everything works OK but from time to time I get APIERR_BADDATABASE on ACAPI_Attribute_GetNum and ACAPI_Element_GetNum. <BR /><BR />Documentation provides very little information about this error. What could this error mean in this situation? What exactly can make the database <I></I><S><I><I></I></I></S>not proper for these operations?</DIV> Mon, 07 Aug 2023 08:35:17 GMT https://community.graphisoft.com/t5/Archicad-C-API/Problem-with-BAD-DATABASE/m-p/56042#M7407 Anonymous 2023-08-07T08:35:17Z https://community.graphisoft.com/t5/Archicad-C-API/Problem-with-BAD-DATABASE/m-p/56043#M7408 <BLOCKQUOTE>Arunas wrote:<BR />Most of the time everything works OK but from time to time I get APIERR_BADDATABASE on ACAPI_Attribute_GetNum and ACAPI_Element_GetNum.[...] What exactly can make the database <I></I><S><I><I></I></I></S>not proper<E></E> for these operations?</BLOCKQUOTE> Perhaps you need to set the active database with APIDb_ChangeCurrentDatabaseID before calling ACAPI_Element_GetNum etc? Wed, 23 May 2007 19:30:06 GMT https://community.graphisoft.com/t5/Archicad-C-API/Problem-with-BAD-DATABASE/m-p/56043#M7408 Ralph Wessel 2007-05-23T19:30:06Z