Answers for "SQLSTATE[42000]: Syntax error or access violation: 1075 Incorrect table definition; there can be only one auto column and it must be defined as a key""

SQLSTATE[42000]: Syntax error or access violation: 1075 Incorrect table definition; there can be only one auto column and it must be defined as a key"

$table->integer('thnajrn_id', 10)->unsigned();
to
$table->integer('thnajrn_id')->unsigned();
or try
table->integer('thnajrn_id')->length(10)->unsigned();

Syntax error or access violation: 1075 Incorrect table def inition; there can be only one auto column and it must be defined as a key

$table->integer('thnajrn_id')->unsigned();