Error in re-building vignettes:
  ...
INFO: Contacting web service with query: https://stats.oecd.org/restsdmx/sdmx.ashx/GetDataStructure/QNA
Aug 15, 2017 11:45:18 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
INFO: Contacting web service with query: https://stats.oecd.org/restsdmx/sdmx.ashx/GetDataStructure/QNA
Aug 15, 2017 11:45:19 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
INFO: Contacting web service with query: https://stats.oecd.org/restsdmx/sdmx.ashx/GetDataStructure/QNA
Aug 15, 2017 11:45:19 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
INFO: Contacting web service with query: https://stats.oecd.org/restsdmx/sdmx.ashx/GetDataStructure/QNA
Aug 15, 2017 11:45:19 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
INFO: Contacting web service with query: https://stats.oecd.org/restsdmx/sdmx.ashx/GetData/QNA/CAN.B1_GE.CARSA.Q?format=compact_v2
Aug 15, 2017 11:45:19 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
INFO: Contacting web service with query: https://stats.oecd.org/restsdmx/sdmx.ashx/GetData/QNA/CAN.B1_GE.CARSA.Q?format=compact_v2
Aug 15, 2017 11:45:20 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
INFO: Contacting web service with query: https://stats.oecd.org/restsdmx/sdmx.ashx/GetData/QNA/CAN+USA+MEX.B1_GE.CARSA.Q?format=compact_v2
Aug 15, 2017 11:45:20 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
INFO: Contacting web service with query: https://stats.oecd.org/restsdmx/sdmx.ashx/GetData/QNA/CAN+USA+MEX.B1_GE.CARSA.Q?format=compact_v2
Aug 15, 2017 11:45:20 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
SEVERE: (140): There is a problem with the syntax of the query.
Aug 15, 2017 11:45:20 AM it.bancaditalia.oss.sdmx.client.RestSdmxClient runQuery
SEVERE: (140): There is a problem with the syntax of the query.

Error: processing vignette 'Guide.Stex' failed with diagnostics:
 chunk 4 
Error in .local(serIDs, con, ...) : 
  QNA.CAN+USA+MEX.B1_GE.CARSA.Q error: it.bancaditalia.oss.sdmx.exceptions.SdmxResponseException: (140): There is a problem with the syntax of the query.
Execution halted