Installing Koha 3.18.11 built from the tar ball on openSuse 13.2.
Select all optional data in step 3.
optional data added
ERROR 1048 (23000) at line 1: Column 'address' cannot be null
mandatory data added
ERROR 1366 (22007) at line 270: Incorrect integer value: '' for column 'linkid' at row 1
The build used all the defaults except for 'icu' and the passwords.
As Liz Rea reported on the mailing list, this problem is caused by the "STRICT_TRANS_TABLES" settings.
If you turn it off, all the data is created as it should be
I'll have a look into this thank you for your report.
Is this bug valid for any version more recent than 3.18.x? If not please close it.
This bug is (will) certainly fixed by bug 16403, bug 16573 and/or bug 16554.