I recently tried creating a Global Page 0. The page does not contain any items or regions. But when I try to delete it, I get an Internal Error, and the following is recorded in APEX_DEBUG_MESSAGES. What's wrong here? APEX version is 18.1. Thanks in advance.
CGI: PATH_INFO = /wwv_flow.accept
"POST http://testkirkeportal.brandsoft.dk/pls/apex
REMOTE_ADDR=10.248.135.126
REMOTE_USER=APEX_PUBLIC_USER
REFERER=http://testkirkeportal.brandsoft.dk/pls/apex/f?p=4000:21:13470102635513::NO:21::
"
"SID=22
USER=APEX_PUBLIC_USER
INSTANCE=1
"
"Error: ORA-02091: transaction rolled back
ORA-02292: integrity constraint (APEX_180100.WWV_FLOW_USER_INT_PAGE_FK) violated - child record found"
"- additional_info: ORA-02091: transaction rolled back
ORA-02292: integrity constraint (APEX_180100.WWV_FLOW_USER_INT_PAGE_FK) violated - child record found"
- display_location: ON_ERROR_PAGE
- is_internal_error: false
- ora_sqlcode: -2091
"- ora_sqlerrm: ORA-02091: transaction rolled back
ORA-02292: integrity constraint (APEX_180100.WWV_FLOW_USER_INT_PAGE_FK) violated - child record found"
"- error_backtrace: ORA-06512: at "APEX_180100.WWV_FLOW_SESSION_STATE", line 1862
ORA-06512: at "APEX_180100.WWV_FLOW_DYNAMIC_EXEC", line 2031
ORA-06512: at "APEX_180100.WWV_FLOW_DYNAMIC_EXEC", line 2363
ORA-06512: at "APEX_180100.WWV_FLOW_PROCESS_NATIVE", line 92
ORA-06512: at "APEX_180100.WWV_FLOW_PROCESS_NATIVE", line 1152
ORA-06512: at "APEX_180100.WWV_FLOW_PLUGIN", line 2451
ORA-06512: at "APEX_180100.WWV_FLOW_PROCESS", line 201
"
"- error_statement: begin for c1 in (select id from wwv_flow_steps where flow_id = :fb_flow_id and id > 0 order by id) loop
:fb_flow_page_id := c1.id;
exit;
end loop;
end;"
- component: APEX_APPLICATION_PAGE_PROCESS reset current page (162029321720000696)