Hello, finally got my account activated

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I just have a general question, i get several errors when compiling my plugin,
loose indentation (line 100)
Line 100 says:
sql = dbi_connect(mhost,muser,mpass,mdb,merror,12
and another error refers to this line of code:
if(sql <= SQL_FAILED)
My question, what doen this mean, loos indentation? Do i need to declare something? sql is declared at the top as: new Sql:sql
Thanks in advance,
Xenom.