[Koha] A Problem

[Haik Zargaryan]

Dear Koha community

I have recently started 
to examine Koha and immediatelly face a couple of problems.
 
Firstly, I try to place a hold on an item the Koha 
prevents me of ding it and displays a message, namely 
Cannot 
Place Hold

Too Many 
Holds: Haik 
Zargarian has too many holds.
No copies are 
available to be placed on 
hold
In fact, Haik Zargarian (fictive patron) has no holds on his account and 
there are sevreal available items for this record. 

Secondly, when I 
import a Marc-record in Koha it does not show the authors name and simply 
ignores the fact, that I have properly indicated the data in the "Personal name" 
section of this field
100 ?   - MAIN 
ENTRY--PERSONAL NAME −.
 
Furthermore, 
when I access an existing record Koha diplays its author's name. However, when I 
enter the "Edit" section and save the record without changing even a letter, the 
author's name evaporates and I see a data like 
this

Additional Authors:

Williams, 
Richard S.,
Iceland--Orkustofnun
Series:

U. 
S. Geological Survey Professional paper ; . No. 1746
Published by: U.S. 
Department of the Interior/U.S. Geological Survey, (Reston, Va. :)
Description: x, 225 p. : ill. (chiefly col.), maps ; 28 
cm.
 
Please, any comments or explanations.
 
Thanks in 
advance
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