When prepare upgrade from 8.7 to 8.7.4 following the installation steps, and when run
RSTLIB SAVLIB(Y2874AC) DEV(*SAVF) SAVF(QGPL/Y2874AC)
One could run into errors
YAPYPTF871 in library Y2874AC with adopt authority attribute not restored.
YAPYPTF872 in library Y2874AC with adopt authority attribute not restored.
YAPYPTF873 in library Y2874AC with adopt authority attribute not restored.
YAPYPTF874 in library Y2874AC with adopt authority attribute not restored.
YTRIGGER in library Y2874AC with adopt authority attribute not restored.
This article gives a resolution.
System value QALWOBJRST is set to not allow adopt authority attribute.
WRKSYSVAL SYSVAL(QALWOBJRST)CHGSYSVAL SYSVAL(QALWOBJRST) VALUE(*ALL)DLTLIB LIB(Y2874AC)RSTLIB SAVLIB(Y2874AC) DEV(*SAVF) SAVF(QGPL/Y2874AC)CHGSYSVAL SYSVAL(QALWOBJRST) VALUE(<original-value>)