Problems of phpstorm breakpoint debugging

phpstorm encountered a problem when looking at the value of a variable when using xdebug for breakpoint debugging .

the array variables above cannot view the content, but only show can not get property
what caused this?
add:
suspected to be a problem at the var_dump level. I added the following code to the php.ini file, but the problem was not solved

. 
;var_dump
xdebug.var_display_max_children=128
xdebug.var_display_max_data=512
xdebug.var_display_max_depth=5
Breakpoint-debugging xdebug phpstorm
Mar.18,2021

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3560c-2bf80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3560c-2bf80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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