unserialize error

Hi Scriptcase, we have received this error which is unknown to us. Please kindly assist us, our development is totally affected. We appreciate your urgent assistance. Thanks.

ID:IniSchema
#0 sc_unserialize(IniSchema, , ) called at [C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\class\xmlparser
mXmlparserIniSchema.class.php:58]
#1 nmXmlparserIniSchema->Normalize() called at [C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\class\xmlparser
mXmlparser.class.php:447]
#2 nmXmlparser->Handle() called at [C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\class\xmlparser
mXmlparserIni.class.php:195]
#3 nmXmlparserIni->Load() called at [C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\class\interface
mApplication.class.php:3468]
#4 nmApplication->GetDependencies(Array ([0] => Array ([grupo] => Salarium_latest,[versao] => 1,[aplic] => BIR,[flag] => 1),[1] => Array ([grupo] …(hundreds of lines here)
#5 nmPageServBackup->DisplayContent() called at [C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\class\page
mPage.class.php:2418]
#6 nmPage->Display() called at [C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\class\page
mSite.class.php:96]
#7 nmSite->Run() called at [C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\lib\php\base_ini.inc.php:1195]
#8 include_once(C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\lib\php\base_ini.inc.php) called at [C:\Program Files (x86)\NetMake\v7\wwwroot\scriptcase\devel\iface\admin_serv_backup.php:26]

Hello,

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regards,
Bernhard Bernsmann