Internal error

PHP Warning: mysqli_connect(): (42000/1203): User o2493028 already has more than 'max_user_connections' active connections

ErrorException: "PHP Warning: mysqli_connect(): (42000/1203): User o2493028 already has more than 'max_user_connections' active connections" in ROOT/wd/classes/MysqliDb.php at line 52
#0 [internal function]: handle_errors(2, 'mysqli_connect(...', '/mnt/web007/a2/...', 52, Array)
#1 ROOT/wd/classes/MysqliDb.php(52): mysqli_connect('rdbms.strato.de', 'dbu2210867', 'msb_2021_db')
#2 ROOT/wd/classes/Configurator.php(561): MysqliDb->init()
#3 ROOT/wd/classes/Configurator.php(301): Configurator->create('db')
#4 ROOT/wd/classes/Configurator.php(575): Configurator->getObject('db')
#5 ROOT/wd/classes/Configurator.php(558): Configurator->configure(Object(BasicAccessControl), Array)
#6 ROOT/wd/classes/Configurator.php(301): Configurator->create('accesscontrol')
#7 ROOT/wd/classes/Configurator.php(589): Configurator->getObject('accesscontrol')
#8 ROOT/wd/classes/Configurator.php(558): Configurator->configure(Object(IniTextMan), Array)
#9 ROOT/wd/classes/Configurator.php(301): Configurator->create('textman')
#10 ROOT/wd/classes/Configurator.php(575): Configurator->getObject('textman')
#11 ROOT/wd/classes/Configurator.php(558): Configurator->configure(Object(Application), Array)
#12 ROOT/wd/classes/Configurator.php(301): Configurator->create('application')
#13 ROOT/wd/includes/init.php(143): Configurator->getObject('application')
#14 ROOT/index.php(49): require('/mnt/web007/a2/...')
#15 {main}