USG2130 come out error when run “display current-configuration” command

USG is OK, but if we run “display current-configuration” command there will come out error like this:
interface Ethernet1/0/7
portswitch
port link-type access
port access vlan 20
Assert at File: cfm_lib.c, Line: 7135. CallStack:
<-- 0x01a02c18(vos_assert)
<-- 0x01aa3b20(VOS_Assert_X)
<-- 0x00a14480(CFM_ShowCurrentBuildRunInfo)
<-- 0x00a001ec(CFM_CfgMsgProc)
<-- 0x00a662b8(CFG_SendCmdAndGetResponse)
<-- 0x00a86c14(CLI_MakeMsgPacket)
<-- 0x00a934cc(CLI_ProcessMatchedCmd)
<-- 0x00a94f08(CLI_CmdMatch)
<-- 0x00a97cf0(CLI_ExecuteCommand)
<-- 0x00a99648(CLI_CmdParse)
<-- 0x00ac5ae8(EXEC_Task)
<-- 0x01a198f8(tskAllTaskEntry)
<-- 0x02caffc0(vxTaskEntry)
<CpuID: 0, TaskID: 6, Sn: 24> [2011.07.22 10:29:31.100]
#
interface NULL0
#
firewall zone local
set priority 100

None

1.Format the SD card, and failed
2.Pull out the SD card and then reinsert it, run “display current-configuration” command again, the result will be OK

SD card is broken or poor contact

The problem often appears if SD card is poor contact, reset the SD card and try again