我新建了角色账号，我在“用户”》“用户管理”修改电话号码，提示错误，电话号码是关联表单留言自动提交

Cannot access offset of type string on string

<?php defined('SYSTEMPATH') || exit('No direct script access allowed'); ?>

CRITICAL - 2021-05-18 10:11:25 --> Cannot access offset of type string on string

#SQL：UPDATE `20201208_member` SET `name` = '七客联创管理员', `phone` = '13822193622', `email` = '924192499@qq.com', `regip` = '113.111.38.48', `regtime` = 1610086477 WHERE `id` = 2

#URL：http://www.xxx.cn/xxx123.php?c=member&m=edit&id=2&page=0

#AGENT：Mozilla/5.0 (Windows NT 6.1 WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36

#REFERER：http://www.xxx.cn/xxx123.php?c=member&m=edit&id=2

#0 [internal function]: Phpcmf\Controllers\Admin\Member->Phpcmf\Controllers\Admin\{closure}()

#1 /www/wwwroot/www.xxx.cn/dayrui/Fcms/Core/Table.php(334): call_user_func_array()

#2 /www/wwwroot/www.xxx.cn/dayrui/Core/Controllers/Admin/Member.php(663): Phpcmf\Table->_Save()

#3 /www/wwwroot/www.xxx.cn/dayrui/Fcms/Core/Table.php(387): Phpcmf\Controllers\Admin\Member->_Save()

#4 /www/wwwroot/www.xxx.cn/dayrui/Core/Controllers/Admin/Member.php(372): Phpcmf\Table->_Post()

#5 /www/wwwroot/www.xxx.cn/dayrui/System/CodeIgniter.php(936): Phpcmf\Controllers\Admin\Member->edit()

#6 /www/wwwroot/www.xxx.cn/dayrui/System/CodeIgniter.php(432): CodeIgniter\CodeIgniter->runController()

#7 /www/wwwroot/www.xxx.cn/dayrui/System/CodeIgniter.php(333): CodeIgniter\CodeIgniter->handleRequest()

#8 /www/wwwroot/www.xxx.cn/dayrui/Fcms/Init.php(398): CodeIgniter\CodeIgniter->run()

#9 /www/wwwroot/www.xxx.cn/index.php(47): require('...')

#10 /www/wwwroot/www.xxx.cn/xxx123.php(9): require('...')

#11 {main}