Microframe Corporation 3007 Series Uživatelská příručka stáhnout pdf (Strana 80)

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Status Codes

39: A Begin Transaction operation must precede an End/

Abort Transaction operation

The application issued an End Transaction (20),or Abort

Transaction (21) operation without a corresponding Begin

Transaction (19 or 1019) operation. Make sure that each End or

Abort Transaction operation in your program is executed only after

a successful Begin Transaction operation.

40: The file access request exceeds the maximum

number of files allowed

This status code is obsolete in MicroKernel versions 6.0 and later.

The application tried to access more than the maximum number of

files allowed within a transaction. You set the maximum number of

different files that you can access during a logical transaction when

you configure the MicroKernel.

41: The MicroKernel does not allow the attempted

operation

The application tried to perform an operation that is not allowed

under these operating conditions. For example:

 The application attempts to perform a Step operation on a key-

only file.

 If using a server engine, the key number parameter of a

continuous operation MicroKernel call is not valid.

 The MicroKernel prohibits certain operations during

transactions because they have too great an effect on the file or

on performance. These operations include Set Owner, Clear

Owner, Create Index, and Drop Index.

 An application running on a 9.x or higher engine attempts to

create a format file prior to 6.x (0600).

42: A file previously opened in Accelerated mode was not

closed

This status code is obsolete in MicroKernel versions 6.0 and later.

The MicroKernel returns this status code for the following reasons:

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Microframe Corporation 3007 Series Uživatelská příručka Strana 80