#0  pg_re_throw () at ./build/../src/backend/utils/error/elog.c:1730
#1  0x000055c63d20f6bd in ProcessUtilitySlow (pstate=pstate@entry=0x55c63e217e60, pstmt=pstmt@entry=0x55c63e122e68, queryString=queryString@entry=0x55c63e122130 "CREATE INDEX i_mp_comments_mpath_gist ON comments.mp_comments USING gist (mpath);", context=context@entry=PROCESS_UTILITY_TOPLEVEL, params=params@entry=0x0, queryEnv=queryEnv@entry=0x0, completionTag=0x7ffe07502800 "", dest=0x55c63e123128) at ./build/../src/backend/tcop/utility.c:1714
#2  0x000055c63d20d940 in standard_ProcessUtility (pstmt=pstmt@entry=0x55c63e122e68, queryString=queryString@entry=0x55c63e122130 "CREATE INDEX i_mp_comments_mpath_gist ON comments.mp_comments USING gist (mpath);", context=context@entry=PROCESS_UTILITY_TOPLEVEL, params=params@entry=0x0, queryEnv=queryEnv@entry=0x0, dest=dest@entry=0x55c63e123128, completionTag=0x7ffe07502800 "") at ./build/../src/backend/tcop/utility.c:923
#3  0x00007f550b6dcf6f in pgss_ProcessUtility (pstmt=0x55c63e122e68, queryString=0x55c63e122130 "CREATE INDEX i_mp_comments_mpath_gist ON comments.mp_comments USING gist (mpath);", context=PROCESS_UTILITY_TOPLEVEL, params=0x0, queryEnv=0x0, dest=0x55c63e123128, completionTag=0x7ffe07502800 "") at ./build/../contrib/pg_stat_statements/pg_stat_statements.c:1005
#4  0x000055c63d20aa49 in PortalRunUtility (portal=0x55c63e1c7500, pstmt=0x55c63e122e68, isTopLevel=<optimized out>, setHoldSnapshot=<optimized out>, dest=<optimized out>, completionTag=0x7ffe07502800 "") at ./build/../src/backend/tcop/pquery.c:1178
#5  0x000055c63d20b546 in PortalRunMulti (portal=portal@entry=0x55c63e1c7500, isTopLevel=isTopLevel@entry=true, setHoldSnapshot=setHoldSnapshot@entry=false, dest=dest@entry=0x55c63e123128, altdest=altdest@entry=0x55c63e123128, completionTag=completionTag@entry=0x7ffe07502800 "") at ./build/../src/backend/tcop/pquery.c:1331
#6  0x000055c63d20c21b in PortalRun (portal=portal@entry=0x55c63e1c7500, count=count@entry=9223372036854775807, isTopLevel=isTopLevel@entry=true, run_once=run_once@entry=true, dest=dest@entry=0x55c63e123128, altdest=altdest@entry=0x55c63e123128, completionTag=0x7ffe07502800 "") at ./build/../src/backend/tcop/pquery.c:799
#7  0x000055c63d207fe9 in exec_simple_query (query_string=0x55c63e122130 "CREATE INDEX i_mp_comments_mpath_gist ON comments.mp_comments USING gist (mpath);") at ./build/../src/backend/tcop/postgres.c:1145
#8  0x000055c63d209e63 in PostgresMain (argc=<optimized out>, argv=argv@entry=0x55c63e170868, dbname=<optimized out>, username=<optimized out>) at ./build/../src/backend/tcop/postgres.c:4193
#9  0x000055c63cf153e6 in BackendRun (port=0x55c63e16d6b0) at ./build/../src/backend/postmaster/postmaster.c:4364
#10 BackendStartup (port=0x55c63e16d6b0) at ./build/../src/backend/postmaster/postmaster.c:4036
#11 ServerLoop () at ./build/../src/backend/postmaster/postmaster.c:1707
#12 0x000055c63d194671 in PostmasterMain (argc=5, argv=0x55c63e11ce40) at ./build/../src/backend/postmaster/postmaster.c:1380
#13 0x000055c63cf16904 in main (argc=5, argv=0x55c63e11ce40) at ./build/../src/backend/main/main.c:228
Continuing.