Error: Array buffer allocation failed

[hupptechnologies]

Hi,

I used this module to merge images into single image and already live production server but when checked logs i am getting below error.

(node:320) UnhandledPromiseRejectionWarning: RangeError: Array buffer allocation failed
    at new ArrayBuffer (<anonymous>)
    at typedArrayConstructByLength (<anonymous>)
    at new Uint8Array (native)
    at new FastBuffer (buffer.js:38:5)
    at Function.Buffer.alloc (buffer.js:245:10)
    at new Buffer (buffer.js:156:19)
    at new Jimp (/home/ubuntu/body-align-node/node_modules/jimp/index.js:129:19)
    at /home/ubuntu/body-align-node/node_modules/merge-img/lib/index.js:130:21
    at <anonymous>
    at process._tickDomainCallback (internal/process/next_tick.js:228:7)
(node:320) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:320) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

Can you please help me out with this?