[SR-Users] JSONRPC ERROR in siremis GUI.

Hi, I have a question regarding the jsonRPC commands in the siremis GUI. 【Environment】 ・Centos7 ・Kamailio 5.5.2 ・siremis 5.3 (installed by git clone https://github.com/asipto/siremis siremis-5.3.x) ・php php-mysqlnd-7.1.33-16.el7.remi.x86_64 php-json-7.1.33-16.el7.remi.x86_64 php-mbstring-7.1.33-16.el7.remi.x86_64 php-pdo-7.1.33-16.el7.remi.x86_64 php-gd-7.1.33-16.el7.remi.x86_64 php-xml-7.1.33-16.el7.remi.x86_64 php-pecl-zip-1.19.4-1.el7.remi.7.1.x86_64 php-xmlrpc-7.1.33-16.el7.remi.x86_64 php-cli-7.1.33-16.el7.remi.x86_64 php-process-7.1.33-16.el7.remi.x86_64 php-pear-1.10.13-1.el7.remi.noarch php-common-7.1.33-16.el7.remi.x86_64 php-7.1.33-16.el7.remi.x86_64 When I execute commands in command service →JSONRPC commands from siremis GUI, it always shows error page. I tried some approaches <https://eow.alc.co.jp/search?q=approaches&ref=awlj> referring to this page, https://github.com/asipto/siremis/issues/26 but I still have this error message in /var/log/httpd/error_log I have tried my best to do some researches about it, but still stuck. Any help is appreciated. Thank you! Lisa Iwama