Imported only 130 test cases from xml wit 300 test cases

[tanatv]

1. I am using testlink 1.9.20
2. have xml file for import with 300 testcases
3. Try to upload this file

Current result:
in testlink I see only 130 test cases and next message

DB Access Error - debug_print_backtrace() OUTPUT START
ATTENTION: Enabling more debug info will produce path disclosure weakness (CWE-200)
Having this additional Information could be useful for reporting
issue to development TEAM.
==============================================================================
#0 database->exec_query() called at [C:\Bitnami\testlink-1.9.20-9\apps\testlink\htdocs\lib\functions\tree.class.php:160]
#1 tree->new_node() called at [C:\Bitnami\testlink-1.9.20-9\apps\testlink\htdocs\lib\functions\testsuite.class.php:186]
#2 testsuite->create() called at [C:\Bitnami\testlink-1.9.20-9\apps\testlink\htdocs\lib\testcases\tcImport.php:1027]
#3 importTestSuitesFromSimpleXML() called at [C:\Bitnami\testlink-1.9.20-9\apps\testlink\htdocs\lib\testcases\tcImport.php:1104]
#4 importTestSuitesFromSimpleXML() called at [C:\Bitnami\testlink-1.9.20-9\apps\testlink\htdocs\lib\testcases\tcImport.php:154]
#5 importTestCaseDataFromXML() called at [C:\Bitnami\testlink-1.9.20-9\apps\testlink\htdocs\lib\testcases\tcImport.php:67]