How to solve error when install SD-WAN software image at CISCO ISR 4331?

[sohyeonpark46488]

Hello

I want to install sdwan image to CISCO ISR 4300

when I input this command

#request platform software sdwan software install bootflash:isr4300-universalk9.17.02.01r.SPA.bin

 However following error is occur continuously. 

*Apr 24 19:54:34.124: %IOSXE-5-PLATFORM: R0/0: VCONFD_NOTIFIER: Install status: 4592ddf2-0e2d-4645-8832-e9884af1a32f install-fail. Message Not enough space in SDWAN installer filesystem. Please remove one of the installed images and try again. SDWAN installer filesystem size -  Kilobytes, Available space -  Kilobytes, Required space - 225968 Kilobytes.df: /bootflash/.installer: No such file or directory
df: /bootflash/.installer: No such file or directory

Router#
*Apr 24 19:54:34.124: %Cisco-SDWAN-Router-action_notifier-6-INFO-1400002: R0/0: VCONFD_NOTIFIER: Notification: 4/24/2020 19:54:34 system-software-install-status severity-level:minor host-name:default system-ip::: status:install-fail install-id:4592ddf2-0e2d-4645-8832-e9884af1a32f message:Not enough space in SDWAN installer filesystem. Please remove one of the installed images and try again. SDWAN installer filesystem size -  Kilobytes, Available space -  Kilobytes, Required space - 225968 Kilobytes.

and we have enough memory.

Directory of bootflash:/

162881  drwx             4096  Apr 23 2020 12:50:26 +00:00  core
276897  drwx             4096  Apr 24 2020 19:30:26 +00:00  .prst_sync
211745  drwx             4096  Mar 20 2019 18:38:01 +00:00  .rollback_timer
32577  drwx           299008  Apr 24 2020 19:54:46 +00:00  tracelogs
293185  drwx             4096  Apr 24 2020 19:26:50 +00:00  .dbpersist
146600  -rw-           133219  Apr 24 2020 19:29:43 +00:00  memleak.tcl
   12  -rw-            13039  Apr 24 2020 19:39:22 +00:00  mode_event_log
374625  drwx             4096  Apr 24 2020 11:27:28 +00:00  sysboot
309473  drwx             4096  Mar 20 2019 18:39:37 +00:00  onep
65153  drwx             4096  Apr 24 2020 19:39:21 +00:00  sdwan
146601  -rw-            20109  Apr 23 2020 16:59:40 +00:00  ios_core.p7b
146593  drwx             4096  May 30 2019 16:58:57 +00:00  sdavc
97729  drwx             4096  Apr 29 2019 10:13:13 +00:00  vmanage-admin
   16  drwx             4096  Mar 21 2019 09:25:27 +00:00  lost+found
146602  -rwx             1314  Apr 23 2020 16:59:40 +00:00  trustidrootx3_ca.ca
179169  drwx             4096  Apr 23 2020 17:00:54 +00:00  guest-share
244321  drwx             4096  Mar 21 2019 12:06:33 +00:00  syslog
146603  -rw-               30  Apr 24 2020 19:30:26 +00:00  throughput_monitor_params
16289  drwx             4096  Apr 24 2020 09:19:06 +00:00  mydir
   11  -rw-        694947097  Apr 24 2020 10:19:22 +00:00  isr4300-universalk9.17.02.01r.SPA.bin

bin file is in the bootflash: 

How to solve this problem?

show version is 

Router#show version 
Cisco IOS XE Software, Version 17.02.01r

[mzouggagh]

request platform software sdwan software install bootflash:image is used to upgrade/downgrade SD-WAN Image
use this link to upgrade from IOS-XE image to SDWAN-Image:

https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/sdwan-xe-gs-book/hardware-and-software-installation.html#c_Software_Installation_and_Upgrade_for_Cisco_IOS_XE_Routers_12017.xml

For a 4000 Series ISR, ensure that there is a minimum of 4 GB of DRAM; 8 GB or more is recommended
The router's bootflash has a minimum of 1.5 GB space available for the XE SD-WAN image.
Required ROM Monitor Software Version 16.7 (3r)