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The problem should go away if you change bulk_sizebulk_size to something other than 00 in your config.xmlconfig.xml. It doesn't seem to auto-detect correctly on the customer_groupcustomer_group table. Setting mine to 100 solved the problem for me.

To find out what table is the problem, try adding some debugging info to your src/Migration/Step/Map/Data.phpsrc/Migration/Step/Map/Data.php file. Something like $this->logger->info("DEBUG: " . $sourceDocName );$this->logger->info("DEBUG: " . $sourceDocName ); around line 136. This should output the table the migration tool is currently working on in the console.

The problem should go away if you change bulk_size to something other than 0 in your config.xml. It doesn't seem to auto-detect correctly on the customer_group table. Setting mine to 100 solved the problem for me.

To find out what table is the problem, try adding some debugging info to your src/Migration/Step/Map/Data.php file. Something like $this->logger->info("DEBUG: " . $sourceDocName ); around line 136. This should output the table the migration tool is currently working on in the console.

The problem should go away if you change bulk_size to something other than 0 in your config.xml. It doesn't seem to auto-detect correctly on the customer_group table. Setting mine to 100 solved the problem for me.

To find out what table is the problem, try adding some debugging info to your src/Migration/Step/Map/Data.php file. Something like $this->logger->info("DEBUG: " . $sourceDocName ); around line 136. This should output the table the migration tool is currently working on in the console.

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The problem should go away if you change bulk_size to something other than 0 in your config.xml. It doesn't seem to auto-detect correctly on the customer_group table. Setting mine to 100 solved the problem for me.

To find out what table is the problem, try adding some debugging info to your src/Migration/Step/Map/Data.php file. Something like $this->logger->info("DEBUG: " . $sourceDocName ); around line 136. This should output the table the migration tool is currently working on in the console.