"Error: not enough memory" message when trying to view the scada-vis

[nager.perez]

Good friends, I hope you are excellent. The following thread is to tell you that when trying to visualize the scada-vis, I get the message "Error: not enough memory". I send you the storage information about the logic machine:

CPU model :  ARMv7 Processor rev 5 (v7l)
Linux kernel version : 4.4.295
Total system memory : 249.0M 
Used : 72.0M (29%)
Free : 177.0M (71%) 
Buffered : 1.2M 
Cached : 117.2M

Thank you and I am attentive to your comments