Error on domains page

[asadalizai]

HI 

since last few days i m facing this issue on my registeration page 

can anyone help me to fix it 

TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /home/xx/public_html/vendor/whmcs/whmcs-foundation/lib/Domain/Registrar/Domain.php:0
Stack trace:
#0 /home/xx/public_html/vendor/whmcs/whmcs-foundation/lib/Domain/Registrar/Domain.php(0): count()
#1 /home/xx/public_html/vendor/whmcs/whmcs-foundation/lib/Domains.php(0): WHMCS\Domain\Registrar\Domain->hasNameservers()
#2 /home/xx/public_html/kwh708/clientsdomains.php(0): WHMCS\Domains->getDomainInformation()
#3 {main}