ISAM 10070

File read error. B-Tree Filer requested DOS to read a
certain number of bytes from a file. DOS successfully
read some bytes, but it was less than the number requested.

Common reasons for this error include:

Dialog file left corrupted by a previous program run.
(Delete the dialog *.DIA file at the DOS command line);

BTGetRec specified an invalid record number (larger than
BTFileLen), this can also happen if you have a corrupted
variable length record fileblock;

Two different programs compiled with different
MaxNrOfWorkStations constants are trying to access the same

A physical hard disk error.

A NetWare NETX shell bug.

a) Delete dialog files in Database…Del *.dia in
A/S/W/O where applicable.