OMP: database error has occurred

When I commenting out the next line

 22                 <!-- rename the symbolic controlled vocab fields to the generic pkp-lib field name -->
 23 <!--            <query>UPDATE controlled_vocabs SET symbolic = 'submissionAgency' WHERE symbolic = 'monographAgency'</query> -->
 24                 <query>UPDATE controlled_vocabs SET symbolic = 'submissionDiscipline' WHERE symbolic = 'monographDiscipline'</query>
 25                 <query>UPDATE controlled_vocabs SET symbolic = 'submissionKeyword' WHERE symbolic = 'monographKeyword'</query>
 26                 <query>UPDATE controlled_vocabs SET symbolic = 'submissionLanguage' WHERE symbolic = 'monographLanguage'</query>
 27                 <query>UPDATE controlled_vocabs SET symbolic = 'submissionSubject' WHERE symbolic = 'monographSubject'</query>

The next error wil come:

Errors occurred during installation:
A database error has occurred: Duplicate entry ‘submissionDiscipline-1048585-1’ for key ‘controlled_vocab_symbolic’

When commenting out all the rename line:

 22                 <!-- rename the symbolic controlled vocab fields to the generic pkp-lib field name -->
 23 <!--            <query>UPDATE controlled_vocabs SET symbolic = 'submissionAgency' WHERE symbolic = 'monographAgency'</query> -->
 24 <!--            <query>UPDATE controlled_vocabs SET symbolic = 'submissionDiscipline' WHERE symbolic = 'monographDiscipline'</query> -->
 25 <!--            <query>UPDATE controlled_vocabs SET symbolic = 'submissionKeyword' WHERE symbolic = 'monographKeyword'</query> -->
 26 <!--            <query>UPDATE controlled_vocabs SET symbolic = 'submissionLanguage' WHERE symbolic = 'monographLanguage'</query> -->
 27 <!--            <query>UPDATE controlled_vocabs SET symbolic = 'submissionSubject' WHERE symbolic = 'monographSubject'</query> -->
 28
 29 <!--            <query>UPDATE controlled_vocab_entry_settings SET setting_name = 'submissionAgency' WHERE setting_name = 'monographAgency'</query> -->
 30 <!--            <query>UPDATE controlled_vocab_entry_settings SET setting_name = 'submissionDiscipline' WHERE setting_name = 'monographDiscipline'</query> -->
 31 <!--            <query>UPDATE controlled_vocab_entry_settings SET setting_name = 'submissionKeyword' WHERE setting_name = 'monographKeyword'</query> -->
 32 <!--            <query>UPDATE controlled_vocab_entry_settings SET setting_name = 'submissionLanguage' WHERE setting_name = 'monographLanguage'</query> -->
 33 <!--            <query>UPDATE controlled_vocab_entry_settings SET setting_name = 'submissionSubject' WHERE setting_name = 'monographSubject'</query> -->

the upgrade is a succes.

But can it do any harm now we didn’t renamed those fields?