Azure APIM deployment is getting failed. "code": "ResourceDeploymentFailure" - azure-api-management

Question

Deployment is getting failed for Azure APIM with the below error.
{
"status": "Failed",
"error": {
"code": "ResourceDeploymentFailure",
"message": "The resource operation completed with terminal provisioning state 'Failed'."
}
}
Below is the ARM template for APIM:
{
"type": "Microsoft.ApiManagement/service",
"apiVersion": "2020-12-01",
"name": "[variables('apim-name')]",
"location": "[parameters('location')]",
"sku": {
"name": "[parameters('apim-sku')]",
"capacity": "[parameters('apim-capacity')]"
},
"identity": {
"type": "UserAssigned",
"userAssignedIdentities": {
"[resourceId('Microsoft.ManagedIdentity/userAssignedIdentities', variables('Identity-name'))]": {}
}
},
"dependsOn": [
"[resourceId('Microsoft.Network/virtualNetworks', variables('vnet-name'))]",
"[resourceId('Microsoft.ManagedIdentity/userAssignedIdentities', variables('Identity-name'))]",
"[resourceId('Microsoft.Network/virtualNetworks/subnets',variables('vnet-name'),variables('apimsubnet'))]"
],
"resources": [
{
"type": "gateways",
"apiVersion": "2020-12-01",
"name": "my-gateway",
"dependsOn": [
"[resourceId('Microsoft.ApiManagement/service', variables('apim-name'))]"
],
"properties": {
"locationData": {
"name": "My internal location"
},
"description": "Self hosted gateway bringing API Management to the edge"
}
},
{
"type": "loggers",
"apiVersion": "2020-12-01",
"name": "AppInsightsLogger",
"dependsOn": [
"[resourceId('Microsoft.ApiManagement/service', variables('apim-name'))]"
],
"properties": {
"loggerType": "applicationInsights",
"resourceId": "[resourceId('Microsoft.Insights/components', variables('app-insights-name'))]",
"credentials": {
"instrumentationKey": "[reference(variables('app-insights-name')).InstrumentationKey]"
}
}
},
{
"type": "diagnostics",
"apiVersion": "2020-12-01",
"name": "applicationinsights",
"dependsOn": [
"[resourceId('Microsoft.ApiManagement/service', variables('apim-name'))]",
"[resourceId('Microsoft.ApiManagement/service/loggers', variables('apim-name'), 'AppInsightsLogger')]"
],
"properties": {
"alwaysLog": "allErrors",
"httpCorrelationProtocol": "Legacy",
"verbosity": "information",
"logClientIp": true,
"loggerId": "[resourceId('Microsoft.ApiManagement/service/loggers/', variables('apim-name'), 'AppInsightsLogger')]",
"sampling": {
"samplingType": "fixed",
"percentage": 100
},
"frontend": {
"request": {
"body": {
"bytes": 0
}
},
"response": {
"body": {
"bytes": 0
}
}
},
"backend": {
"request": {
"body": {
"bytes": 0
}
},
"response": {
"body": {
"bytes": 0
}
}
}
}
}
],
"properties": {
"publisherName": "[variables('apim-publisher-name')]",
"publisherEmail": "[parameters('apim-publisher-email')]",
"virtualNetworkType": "Internal",
"virtualNetworkConfiguration": {
"subnetResourceId": "[resourceId('Microsoft.Network/virtualNetworks/subnets', variables('vnet-name'), variables('apimsubnet'))]"
}
}
},