what is this - ERROR: Error 3050001: account name already exists?

Question

I am using python3 following a tutorial here - http://eosfactory.io/sphinx/build/html/tutorials/02.InteractingWithEOSContractsInEOSFactory.html#initialize-workspace

I am using Apple and this is a local installation.

I get the folllowing error - has anyone any idea the cause of this?

sess.init()

### Create a Wallet object with the NODEOS wallet plugin. Pasword is restored from the file:

/Users/satoshimaca/Projects/EOS/eosfactory/build/daemon/data-dir/wallet/passwords.json Wallet directory is /Users/satoshimaca/Projects/EOS/eosfactory/build/daemon/data-dir/wallet/ Opened wallet default.

### Get master account. Local testnet is ON: the eosio account is master. ERROR: 3464009ms thread-0 main.cpp:2756

main ] Failed with error: Assert Exception (10)

ERROR: Error 3050001: account name already exists

ERROR: Error 3050001: account name already exists

ERROR: Error 3050001: account name already exists

ERROR: Reading WAST/WASM from /Users/satoshimaca/Projects/EOS/eos/build/contracts/eosio.bios/eosio.bios.wast... Assembling WASM... Publishing contract... 3464467ms thread-0
main.cpp:2756 main ] Failed with error: Assert Exception (10)

Available test accounts: eosio, alice, carol, bob

Answer 1

sess.init() creates several test accounts. If you run that method more than once then it is not possible to create these accounts again. That is an exception is thrown with account name already exists.