INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10

In IDS 11.70.FC8W1, the following sql will run without error, 
but in 12.10.FC4W1, the following sql fails with a -391 error: 
 
--drop table nameval; 
create table nameval ( 
id serial not null, 
name char(40), 
val char(40) 
); 
 
insert into nameval values (0,'Color','Red'); 
insert into nameval values (0,'Number','Six'); 
insert into nameval values (0,'Fruit','Apple'); 
 
select * from nameval into temp nameval_tmp with no log; 
 
insert into nameval_tmp values (NULL,'Fail','This Will');

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* USERS AFFECTED:                                              * 
* 12.10.XCX                                                    * 
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* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
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* RECOMMENDATION:                                              * 
* Update to IBM Informix Server 12.10.XC5                      * 
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Problem Fixed In IBM Informix Server 12.10.XC5 and above

not known / see Local fix

Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :

27.03.2015
30.12.2015
30.12.2015

12.10.xC5