The code seems to be without any errors within the plugin but still compiling seems to keep failing. There are no changes made to the original UE5 GameLift plugin
0>[1/5] Compile [x64] FGameLiftCoreModule.cpp
0>AccountFilterType.h(21): Error C2143 : syntax error: missing '}' before 'constant'
0>AccountFilterType.h(21): Error C2059 : syntax error: 'constant'
0>AccountFilterType.h(23): Error C2143 : syntax error: missing ';' before '}'
0>AccountFilterType.h(27): Error C4430 : missing type specifier - int assumed. Note: C++ does not support default-int
0>AccountFilterType.h(27): Error C2146 : syntax error: missing ';' before identifier 'GetAccountFilterTypeForName'
0>AccountFilterType.h(27): Error C4430 : missing type specifier - int assumed. Note: C++ does not support default-int
0>AccountFilterType.h(29): Error C2491 : 'Aws::CloudFormation::AccountFilterTypeMapper::GetNameForAccountFilterType': definition of dllimport data not allowed
0>AccountFilterType.h(29): Error C2146 : syntax error: missing ')' before identifier 'value'
0>AccountFilterType.h(33): Error C2059 : syntax error: '}'
0>AccountFilterType.h(33): Error C2143 : syntax error: missing ';' before '}'
0>DeploymentTargets.h(15): Error C2143 : syntax error: missing ';' before '{'
0>DeploymentTargets.h(15): Error C2447 : '{': missing function header (old-style formal list?)
0>StackSetOperation.h(632): Error C4430 : missing type specifier - int assumed. Note: C++ does not support default-int
0>StackSetOperation.h(632): Error C2143 : syntax error: missing ';' before '&'
0>StackSetOperation.h(632): Error C7524 : 'inline' specifier cannot appear on a block-scope declaration or non-static data member
0>StackSetOperation.h(632): Error C2334 : unexpected token(s) preceding '{'; skipping apparent function body
0>StackSetOperation.h(644): Error C4430 : missing type specifier - int assumed. Note: C++ does not support default-int
0>StackSetOperation.h(644): Error C2143 : syntax error: missing ',' before '&'
0>StackSetOperation.h(650): Error C2061 : syntax error: identifier 'DeploymentTargets'
0>StackSetOperation.h(656): Error C4430 : missing type specifier - int assumed. Note: C++ does not support default-int
0>StackSetOperation.h(656): Error C2143 : syntax error: missing ',' before '&'
0>StackSetOperation.h(662): Error C2061 : syntax error: identifier 'DeploymentTargets'
0>StackSetOperation.h(835): Error C3646 : 'm_deploymentTargets': unknown override specifier
0>StackSetOperation.h(835): Error C4430 : missing type specifier - int assumed. Note: C++ does not support default-int
0>StackSetOperation.h(644): Error C4458 : declaration of 'DeploymentTargets' hides class member
0>StackSetOperation.h(632): Reference : see declaration of 'Aws::CloudFormation::Model::StackSetOperation::DeploymentTargets'
0>StackSetOperation.h(644): Error C2065 : 'm_deploymentTargets': undeclared identifier
0>StackSetOperation.h(644): Error C2065 : 'value': undeclared identifier
0>StackSetOperation.h(650): Error C2065 : 'm_deploymentTargets': undeclared identifier
0>StackSetOperation.h(650): Error C2065 : 'value': undeclared identifier
0>StackSetOperation.h(656): Error C4458 : declaration of 'DeploymentTargets' hides class member
0>StackSetOperation.h(632): Reference : see declaration of 'Aws::CloudFormation::Model::StackSetOperation::DeploymentTargets'
0>StackSetOperation.h(656): Error C2065 : 'value': undeclared identifier
0>StackSetOperation.h(662): Error C2065 : 'value': undeclared identifier
0>DescribeStackSetOperationResult.h(44): Error C2280 : 'Aws::CloudFormation::Model::StackSetOperation &Aws::CloudFormation::Model::StackSetOperation::operator =(const Aws::CloudFormation::Model::StackSetOperation &)': attempting to reference a deleted function
0>StackSetOperation.h(846): Reference : compiler has generated 'Aws::CloudFormation::Model::StackSetOperation::operator =' here
0>StackSetOperation.h(846): Reference : 'Aws::CloudFormation::Model::StackSetOperation &Aws::CloudFormation::Model::StackSetOperation::operator =(const Aws::CloudFormation::Model::StackSetOperation &)': function was implicitly deleted because 'Aws::CloudFormation::Model::StackSetOperation' has a data member 'Aws::CloudFormation::Model::StackSetOperation::DeploymentTargets' of const-qualified non-class type
0>StackSetOperation.h(632): Reference : see declaration of 'Aws::CloudFormation::Model::StackSetOperation::DeploymentTargets'
0>DescribeStackSetOperationResult.h(49): Error C2280 : 'Aws::CloudFormation::Model::StackSetOperation &Aws::CloudFormation::Model::StackSetOperation::operator =(const Aws::CloudFormation::Model::StackSetOperation &)': attempting to reference a deleted function
0>StackSetOperation.h(846): Reference : compiler has generated 'Aws::CloudFormation::Model::StackSetOperation::operator =' here
0>StackSetOperation.h(846): Reference : 'Aws::CloudFormation::Model::StackSetOperation &Aws::CloudFormation::Model::StackSetOperation::operator =(const Aws::CloudFormation::Model::StackSetOperation &)': function was implicitly deleted because 'Aws::CloudFormation::Model::StackSetOperation' has a data member 'Aws::CloudFormation::Model::StackSetOperation::DeploymentTargets' of const-qualified non-class type
0>StackSetOperation.h(632): Reference : see declaration of 'Aws::CloudFormation::Model::StackSetOperation::DeploymentTargets'